Home / 10,943.12-15,098.24-6,467.28

Finding the Fourth Proportional to 10,943.12, 15,098.24 and 6,467.28

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Solution

The fourth proportional to 10,943.12, 15,098.24 and 6,467.28 is: 8,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.12 : 15,098.24 = 6,467.28 : x
  2. Step 2: Convert to fraction form
    10,943.12/15,098.24 = 6,467.28/x
  3. Step 3: Cross multiply
    10,943.12x = 15,098.24 × 6,467.28
  4. Step 4: Simplify right side
    10,943.12x = 97,644,545.59
  5. Step 5: Solve for x
    x = 97,644,545.59/10,943.12
  6. Step 6: Final answer
    x = 8,922.92

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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.