Home / 11,768.92-16,241.39-6,463.85

Finding the Fourth Proportional to 11,768.92, 16,241.39 and 6,463.85

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Solution

The fourth proportional to 11,768.92, 16,241.39 and 6,463.85 is: 8,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.92 : 16,241.39 = 6,463.85 : x
  2. Step 2: Convert to fraction form
    11,768.92/16,241.39 = 6,463.85/x
  3. Step 3: Cross multiply
    11,768.92x = 16,241.39 × 6,463.85
  4. Step 4: Simplify right side
    11,768.92x = 104,981,908.75
  5. Step 5: Solve for x
    x = 104,981,908.75/11,768.92
  6. Step 6: Final answer
    x = 8,920.27

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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.