Home / 11,067.84-16,601.76-9,115.92

Finding the Fourth Proportional to 11,067.84, 16,601.76 and 9,115.92

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Solution

The fourth proportional to 11,067.84, 16,601.76 and 9,115.92 is: 13,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.84 : 16,601.76 = 9,115.92 : x
  2. Step 2: Convert to fraction form
    11,067.84/16,601.76 = 9,115.92/x
  3. Step 3: Cross multiply
    11,067.84x = 16,601.76 × 9,115.92
  4. Step 4: Simplify right side
    11,067.84x = 151,340,316.02
  5. Step 5: Solve for x
    x = 151,340,316.02/11,067.84
  6. Step 6: Final answer
    x = 13,673.88

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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.