Home / 12,791.34-19,182.24-4,469.04

Finding the Fourth Proportional to 12,791.34, 19,182.24 and 4,469.04

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Solution

The fourth proportional to 12,791.34, 19,182.24 and 4,469.04 is: 6,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.34 : 19,182.24 = 4,469.04 : x
  2. Step 2: Convert to fraction form
    12,791.34/19,182.24 = 4,469.04/x
  3. Step 3: Cross multiply
    12,791.34x = 19,182.24 × 4,469.04
  4. Step 4: Simplify right side
    12,791.34x = 85,726,197.85
  5. Step 5: Solve for x
    x = 85,726,197.85/12,791.34
  6. Step 6: Final answer
    x = 6,701.89

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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.