Home / 11,451.68-17,177.84-3,660.49

Finding the Fourth Proportional to 11,451.68, 17,177.84 and 3,660.49

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Solution

The fourth proportional to 11,451.68, 17,177.84 and 3,660.49 is: 5,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.68 : 17,177.84 = 3,660.49 : x
  2. Step 2: Convert to fraction form
    11,451.68/17,177.84 = 3,660.49/x
  3. Step 3: Cross multiply
    11,451.68x = 17,177.84 × 3,660.49
  4. Step 4: Simplify right side
    11,451.68x = 62,879,311.54
  5. Step 5: Solve for x
    x = 62,879,311.54/11,451.68
  6. Step 6: Final answer
    x = 5,490.84

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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.