Home / 11,825.43-17,742.23-5,256.21

Finding the Fourth Proportional to 11,825.43, 17,742.23 and 5,256.21

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Solution

The fourth proportional to 11,825.43, 17,742.23 and 5,256.21 is: 7,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.43 : 17,742.23 = 5,256.21 : x
  2. Step 2: Convert to fraction form
    11,825.43/17,742.23 = 5,256.21/x
  3. Step 3: Cross multiply
    11,825.43x = 17,742.23 × 5,256.21
  4. Step 4: Simplify right side
    11,825.43x = 93,256,860.47
  5. Step 5: Solve for x
    x = 93,256,860.47/11,825.43
  6. Step 6: Final answer
    x = 7,886.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.