Home / 10,331.38-15,496.79-3,757.69

Finding the Fourth Proportional to 10,331.38, 15,496.79 and 3,757.69

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Solution

The fourth proportional to 10,331.38, 15,496.79 and 3,757.69 is: 5,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.38 : 15,496.79 = 3,757.69 : x
  2. Step 2: Convert to fraction form
    10,331.38/15,496.79 = 3,757.69/x
  3. Step 3: Cross multiply
    10,331.38x = 15,496.79 × 3,757.69
  4. Step 4: Simplify right side
    10,331.38x = 58,232,114.03
  5. Step 5: Solve for x
    x = 58,232,114.03/10,331.38
  6. Step 6: Final answer
    x = 5,636.43

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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.