Home / 6,251.38-8,624.31-4,012.78

Finding the Fourth Proportional to 6,251.38, 8,624.31 and 4,012.78

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Solution

The fourth proportional to 6,251.38, 8,624.31 and 4,012.78 is: 5,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.38 : 8,624.31 = 4,012.78 : x
  2. Step 2: Convert to fraction form
    6,251.38/8,624.31 = 4,012.78/x
  3. Step 3: Cross multiply
    6,251.38x = 8,624.31 × 4,012.78
  4. Step 4: Simplify right side
    6,251.38x = 34,607,458.68
  5. Step 5: Solve for x
    x = 34,607,458.68/6,251.38
  6. Step 6: Final answer
    x = 5,535.97

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Half scale
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Double scale
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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.