Home / 8,301.38-11,456.37-6,253.61

Finding the Fourth Proportional to 8,301.38, 11,456.37 and 6,253.61

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Solution

The fourth proportional to 8,301.38, 11,456.37 and 6,253.61 is: 8,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.38 : 11,456.37 = 6,253.61 : x
  2. Step 2: Convert to fraction form
    8,301.38/11,456.37 = 6,253.61/x
  3. Step 3: Cross multiply
    8,301.38x = 11,456.37 × 6,253.61
  4. Step 4: Simplify right side
    8,301.38x = 71,643,612.71
  5. Step 5: Solve for x
    x = 71,643,612.71/8,301.38
  6. Step 6: Final answer
    x = 8,630.33

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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.