Home / 10,731.24-14,812.20-7,545.36

Finding the Fourth Proportional to 10,731.24, 14,812.20 and 7,545.36

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Solution

The fourth proportional to 10,731.24, 14,812.20 and 7,545.36 is: 10,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.24 : 14,812.20 = 7,545.36 : x
  2. Step 2: Convert to fraction form
    10,731.24/14,812.20 = 7,545.36/x
  3. Step 3: Cross multiply
    10,731.24x = 14,812.20 × 7,545.36
  4. Step 4: Simplify right side
    10,731.24x = 111,763,381.39
  5. Step 5: Solve for x
    x = 111,763,381.39/10,731.24
  6. Step 6: Final answer
    x = 10,414.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.