Selina solutions

Selina solutions

Grade 6

Proportion (Including Word Problems) | Exercise 12(C)

Question 11

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Question 11

Q11) If 4, x and 9 are in continued proportion, find the value of x.

Solution:

4, x and 9 are in continued proportion

\Rightarrow 4 : x = x : 9

\Rightarrow\ x^2=9\times4

\Rightarrow\ x\ =\ \sqrt{36}=6

The value of x is 6.

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