Home / 10,381.20-15,532.92-5,767.44

Finding the Fourth Proportional to 10,381.20, 15,532.92 and 5,767.44

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Solution

The fourth proportional to 10,381.20, 15,532.92 and 5,767.44 is: 8,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.20 : 15,532.92 = 5,767.44 : x
  2. Step 2: Convert to fraction form
    10,381.20/15,532.92 = 5,767.44/x
  3. Step 3: Cross multiply
    10,381.20x = 15,532.92 × 5,767.44
  4. Step 4: Simplify right side
    10,381.20x = 89,585,184.12
  5. Step 5: Solve for x
    x = 89,585,184.12/10,381.20
  6. Step 6: Final answer
    x = 8,629.56

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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.