Question

If 9, x, x, 49 are in proportion, find the value of x give me solution of class 6 th​

Answer 1

Answer:

The value of x is 21.

Step-by-step explanation:

x² = 49 x 9 = 441

⇒ x = √441 = 21

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Answer 2

Answer:

If 9, x, x, 49 are in proportion, then the value of x is 21.

Step-by-step explanation:

Given: 9, x, x, 49 are in proportion.

Find the value of x

If 9, x, x, 49 are in proportion.

Then

$\frac{9}{x} =\frac{x}{49} \\x \times x = 9 \times 49\\x^2 = 441\\x=\sqrt{441} \\x = 21$

So, the value of x is 21.