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Find the Fourth Proportional of 5, 9 and 45 - Mathematics

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Question

Find the fourth proportional of 5, 9 and 45

Sum

Solution

Fourth proportional of 5, 9 and 45

`= (9 xx 45)/5 = 81`

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Chapter 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 2.2

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