Home / 11,418.42-17,125.92-3,098.91

Finding the Fourth Proportional to 11,418.42, 17,125.92 and 3,098.91

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Solution

The fourth proportional to 11,418.42, 17,125.92 and 3,098.91 is: 4,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.42 : 17,125.92 = 3,098.91 : x
  2. Step 2: Convert to fraction form
    11,418.42/17,125.92 = 3,098.91/x
  3. Step 3: Cross multiply
    11,418.42x = 17,125.92 × 3,098.91
  4. Step 4: Simplify right side
    11,418.42x = 53,071,684.75
  5. Step 5: Solve for x
    x = 53,071,684.75/11,418.42
  6. Step 6: Final answer
    x = 4,647.90

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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.