Home / 12,387.24-18,583.77-4,067.25

Finding the Fourth Proportional to 12,387.24, 18,583.77 and 4,067.25

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Solution

The fourth proportional to 12,387.24, 18,583.77 and 4,067.25 is: 6,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387.24 : 18,583.77 = 4,067.25 : x
  2. Step 2: Convert to fraction form
    12,387.24/18,583.77 = 4,067.25/x
  3. Step 3: Cross multiply
    12,387.24x = 18,583.77 × 4,067.25
  4. Step 4: Simplify right side
    12,387.24x = 75,584,838.53
  5. Step 5: Solve for x
    x = 75,584,838.53/12,387.24
  6. Step 6: Final answer
    x = 6,101.83

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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.