Home / 8,243.91-12,367.89-2,400.57

Finding the Fourth Proportional to 8,243.91, 12,367.89 and 2,400.57

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Solution

The fourth proportional to 8,243.91, 12,367.89 and 2,400.57 is: 3,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.91 : 12,367.89 = 2,400.57 : x
  2. Step 2: Convert to fraction form
    8,243.91/12,367.89 = 2,400.57/x
  3. Step 3: Cross multiply
    8,243.91x = 12,367.89 × 2,400.57
  4. Step 4: Simplify right side
    8,243.91x = 29,689,985.70
  5. Step 5: Solve for x
    x = 29,689,985.70/8,243.91
  6. Step 6: Final answer
    x = 3,601.44

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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.