Home / 8,248.91-12,373.37-5,480.99

Finding the Fourth Proportional to 8,248.91, 12,373.37 and 5,480.99

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Solution

The fourth proportional to 8,248.91, 12,373.37 and 5,480.99 is: 8,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.91 : 12,373.37 = 5,480.99 : x
  2. Step 2: Convert to fraction form
    8,248.91/12,373.37 = 5,480.99/x
  3. Step 3: Cross multiply
    8,248.91x = 12,373.37 × 5,480.99
  4. Step 4: Simplify right side
    8,248.91x = 67,818,227.96
  5. Step 5: Solve for x
    x = 67,818,227.96/8,248.91
  6. Step 6: Final answer
    x = 8,221.48

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.