Home / 10,331.28-15,503.01-3,757.95

Finding the Fourth Proportional to 10,331.28, 15,503.01 and 3,757.95

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Solution

The fourth proportional to 10,331.28, 15,503.01 and 3,757.95 is: 5,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.28 : 15,503.01 = 3,757.95 : x
  2. Step 2: Convert to fraction form
    10,331.28/15,503.01 = 3,757.95/x
  3. Step 3: Cross multiply
    10,331.28x = 15,503.01 × 3,757.95
  4. Step 4: Simplify right side
    10,331.28x = 58,259,536.43
  5. Step 5: Solve for x
    x = 58,259,536.43/10,331.28
  6. Step 6: Final answer
    x = 5,639.14

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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.