Home / 8,067.50-12,105.93-3,387.14

Finding the Fourth Proportional to 8,067.50, 12,105.93 and 3,387.14

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Solution

The fourth proportional to 8,067.50, 12,105.93 and 3,387.14 is: 5,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.50 : 12,105.93 = 3,387.14 : x
  2. Step 2: Convert to fraction form
    8,067.50/12,105.93 = 3,387.14/x
  3. Step 3: Cross multiply
    8,067.50x = 12,105.93 × 3,387.14
  4. Step 4: Simplify right side
    8,067.50x = 41,004,501.83
  5. Step 5: Solve for x
    x = 41,004,501.83/8,067.50
  6. Step 6: Final answer
    x = 5,082.68

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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.