Home / 7,545.36-10,414.80-5,031.12

Finding the Fourth Proportional to 7,545.36, 10,414.80 and 5,031.12

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Solution

The fourth proportional to 7,545.36, 10,414.80 and 5,031.12 is: 6,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.36 : 10,414.80 = 5,031.12 : x
  2. Step 2: Convert to fraction form
    7,545.36/10,414.80 = 5,031.12/x
  3. Step 3: Cross multiply
    7,545.36x = 10,414.80 × 5,031.12
  4. Step 4: Simplify right side
    7,545.36x = 52,398,108.58
  5. Step 5: Solve for x
    x = 52,398,108.58/7,545.36
  6. Step 6: Final answer
    x = 6,944.41

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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.