Home / 11,318.14-16,966.82-3,917.43

Finding the Fourth Proportional to 11,318.14, 16,966.82 and 3,917.43

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Solution

The fourth proportional to 11,318.14, 16,966.82 and 3,917.43 is: 5,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.14 : 16,966.82 = 3,917.43 : x
  2. Step 2: Convert to fraction form
    11,318.14/16,966.82 = 3,917.43/x
  3. Step 3: Cross multiply
    11,318.14x = 16,966.82 × 3,917.43
  4. Step 4: Simplify right side
    11,318.14x = 66,466,282.34
  5. Step 5: Solve for x
    x = 66,466,282.34/11,318.14
  6. Step 6: Final answer
    x = 5,872.54

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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.