If x2, 4 and 9 are in continued proportion, find x.

If x², 4 and 9 are in continued proportion, find x.

बेरीज

Given x², 4 and 9 are in continued proportion

`∴ x^2/4 = 4/9`

`=> 9x^2 = 16`

`=> x^2 = 16/9`

`=> x = 4/3`

shaalaa.com

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

पाठ 7: Ratio and Proportion (Including Properties and Uses) - Exercise 7 (B) [पृष्ठ ९४]

पाठ 7 Ratio and Proportion (Including Properties and Uses)
Exercise 7 (B) | Q 5. | पृष्ठ ९४

Using the properties of proportion, solve for x, given `(x^4 + 1)/(2x^2) = 17/8`.

Find the third proportional to a² – b² and a + b.

If `1/12` , x and `1/75` are in continued proportion , find x.

Using the properties of proportion, solve for x, given. `(x^4 + 1)/(2x^2) = (17)/(8)`.

Determine if the following numbers are in proportion:

33, 121, 9, 96

4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper will there be in 18.9 g of the alloy?

If a, b, c are in proportion, then

5 : `square` : : 10 : 8 : : 15 : `square`

If b : a = c : d, then a, b, c, d are in proportion.

There is a number in the box `square` such that `square`, 24, 9, 12 are in proportion. The number in the box is ______.