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# Find the Value of the Unknown in the Following Proportion : - ICSE Class 10 - Mathematics

#### Question

Find the value of the unknown in the following proportion :

5 : 12 :: 15 : x

#### Solution

5 : 12 :: 15 : x

⇒ 5 × X = 12 x 15

⇒ x = (12 xx 15)/5

⇒ x = 36

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#### APPEARS IN

Frank Solution for Frank Class 10 Mathematics Part 2 (2016 to Current)
Chapter 9: Ratio and Proportion
Exercise 9.2 | Q: 1.1

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Solution Find the Value of the Unknown in the Following Proportion : Concept: Proportions.
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