Home / 10,439.17-14,320.25-9,874.24

Finding the Fourth Proportional to 10,439.17, 14,320.25 and 9,874.24

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Solution

The fourth proportional to 10,439.17, 14,320.25 and 9,874.24 is: 13,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.17 : 14,320.25 = 9,874.24 : x
  2. Step 2: Convert to fraction form
    10,439.17/14,320.25 = 9,874.24/x
  3. Step 3: Cross multiply
    10,439.17x = 14,320.25 × 9,874.24
  4. Step 4: Simplify right side
    10,439.17x = 141,401,585.36
  5. Step 5: Solve for x
    x = 141,401,585.36/10,439.17
  6. Step 6: Final answer
    x = 13,545.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.