Advertisements
Advertisements
Question
Find the value of the unknown in the following proportion :
`1/2 : "m" :: 14/9 : 4/3`
Solution
`1/2 : "m" :: 14/9 : 4/3`
`1/2 : "m" :: 14/9 : 4/3`
⇒ `"m" xx 14/9 = 1/2 xx 4/3`
⇒ `"m" = 1/2 xx 4/3 xx 9/14 = 3/7`
m = `3/7`
APPEARS IN
RELATED QUESTIONS
Using properties of proportion, solve for x:
`(3x + sqrt(9x^2 - 5))/(3x - sqrt(9x^2 - 5)) = 5`
What least number must be added to each of the numbers 16, 7, 79 and 43 so that the resulting
numbers are in proportion?
If a, 12, 16 and b are in continued proportion find a and b.
Determine if the following numbers are in proportion:
32, 48, 70, 210
A labourer earns Rs 1980 in 12 days.
(i) How much does he earn in 7 days?
(ii) In how many days will he earn Rs 2640?
If a, b, c are in continued proportion, prove that: `(1)/a^3 + (1)/b^3 + (1)/c^3 = a/(b^2c^2) + b/(c^2a^2) + c/(a^2b^2)`
Do the ratios 15 cm to 2 m and 10 sec to 3 minutes form a proportion?
Find the missing number in the box in the proportions:
`8/square = 3.2/4`
There is a number in the box `square` such that `square`, 24, 9, 12 are in proportion. The number in the box is ______.
Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
200 mL : 2.5 litre and ₹ 4 : ₹ 50