Home / 10,358.78-15,538.15-2,567.59

Finding the Fourth Proportional to 10,358.78, 15,538.15 and 2,567.59

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Solution

The fourth proportional to 10,358.78, 15,538.15 and 2,567.59 is: 3,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.78 : 15,538.15 = 2,567.59 : x
  2. Step 2: Convert to fraction form
    10,358.78/15,538.15 = 2,567.59/x
  3. Step 3: Cross multiply
    10,358.78x = 15,538.15 × 2,567.59
  4. Step 4: Simplify right side
    10,358.78x = 39,895,559.71
  5. Step 5: Solve for x
    x = 39,895,559.71/10,358.78
  6. Step 6: Final answer
    x = 3,851.38

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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.