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Finding the Fourth Proportional to 11,780.44, 16,250.24 and 7,356.76

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Solution

The fourth proportional to 11,780.44, 16,250.24 and 7,356.76 is: 10,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.44 : 16,250.24 = 7,356.76 : x
  2. Step 2: Convert to fraction form
    11,780.44/16,250.24 = 7,356.76/x
  3. Step 3: Cross multiply
    11,780.44x = 16,250.24 × 7,356.76
  4. Step 4: Simplify right side
    11,780.44x = 119,549,115.62
  5. Step 5: Solve for x
    x = 119,549,115.62/11,780.44
  6. Step 6: Final answer
    x = 10,148.10

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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.