Home / 11,474.43-17,211.66-4,078.87

Finding the Fourth Proportional to 11,474.43, 17,211.66 and 4,078.87

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Solution

The fourth proportional to 11,474.43, 17,211.66 and 4,078.87 is: 6,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.43 : 17,211.66 = 4,078.87 : x
  2. Step 2: Convert to fraction form
    11,474.43/17,211.66 = 4,078.87/x
  3. Step 3: Cross multiply
    11,474.43x = 17,211.66 × 4,078.87
  4. Step 4: Simplify right side
    11,474.43x = 70,204,123.62
  5. Step 5: Solve for x
    x = 70,204,123.62/11,474.43
  6. Step 6: Final answer
    x = 6,118.31

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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.