Home / 8,901.26-12,286.17-5,542.10

Finding the Fourth Proportional to 8,901.26, 12,286.17 and 5,542.10

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Solution

The fourth proportional to 8,901.26, 12,286.17 and 5,542.10 is: 7,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.26 : 12,286.17 = 5,542.10 : x
  2. Step 2: Convert to fraction form
    8,901.26/12,286.17 = 5,542.10/x
  3. Step 3: Cross multiply
    8,901.26x = 12,286.17 × 5,542.10
  4. Step 4: Simplify right side
    8,901.26x = 68,091,155.05
  5. Step 5: Solve for x
    x = 68,091,155.05/8,901.26
  6. Step 6: Final answer
    x = 7,649.61

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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.