Home / 12,092.22-18,141.14-3,771.79

Finding the Fourth Proportional to 12,092.22, 18,141.14 and 3,771.79

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Solution

The fourth proportional to 12,092.22, 18,141.14 and 3,771.79 is: 5,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.22 : 18,141.14 = 3,771.79 : x
  2. Step 2: Convert to fraction form
    12,092.22/18,141.14 = 3,771.79/x
  3. Step 3: Cross multiply
    12,092.22x = 18,141.14 × 3,771.79
  4. Step 4: Simplify right side
    12,092.22x = 68,424,534.52
  5. Step 5: Solve for x
    x = 68,424,534.52/12,092.22
  6. Step 6: Final answer
    x = 5,658.56

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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.