Home / 11,227.48-15,493.98-6,512.92

Finding the Fourth Proportional to 11,227.48, 15,493.98 and 6,512.92

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Solution

The fourth proportional to 11,227.48, 15,493.98 and 6,512.92 is: 8,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.48 : 15,493.98 = 6,512.92 : x
  2. Step 2: Convert to fraction form
    11,227.48/15,493.98 = 6,512.92/x
  3. Step 3: Cross multiply
    11,227.48x = 15,493.98 × 6,512.92
  4. Step 4: Simplify right side
    11,227.48x = 100,911,052.22
  5. Step 5: Solve for x
    x = 100,911,052.22/11,227.48
  6. Step 6: Final answer
    x = 8,987.86

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