Home / 6,626.39-9,139.82-4,500.73

Finding the Fourth Proportional to 6,626.39, 9,139.82 and 4,500.73

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Solution

The fourth proportional to 6,626.39, 9,139.82 and 4,500.73 is: 6,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.39 : 9,139.82 = 4,500.73 : x
  2. Step 2: Convert to fraction form
    6,626.39/9,139.82 = 4,500.73/x
  3. Step 3: Cross multiply
    6,626.39x = 9,139.82 × 4,500.73
  4. Step 4: Simplify right side
    6,626.39x = 41,135,876.31
  5. Step 5: Solve for x
    x = 41,135,876.31/6,626.39
  6. Step 6: Final answer
    x = 6,207.89

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Double scale
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Similar ratio
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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.