Home / 10,260.87-15,381.99-5,324.73

Finding the Fourth Proportional to 10,260.87, 15,381.99 and 5,324.73

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Solution

The fourth proportional to 10,260.87, 15,381.99 and 5,324.73 is: 7,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.87 : 15,381.99 = 5,324.73 : x
  2. Step 2: Convert to fraction form
    10,260.87/15,381.99 = 5,324.73/x
  3. Step 3: Cross multiply
    10,260.87x = 15,381.99 × 5,324.73
  4. Step 4: Simplify right side
    10,260.87x = 81,904,943.61
  5. Step 5: Solve for x
    x = 81,904,943.61/10,260.87
  6. Step 6: Final answer
    x = 7,982.26

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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.