Home / 7,418.61-11,127.92-2,224.48

Finding the Fourth Proportional to 7,418.61, 11,127.92 and 2,224.48

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Solution

The fourth proportional to 7,418.61, 11,127.92 and 2,224.48 is: 3,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.61 : 11,127.92 = 2,224.48 : x
  2. Step 2: Convert to fraction form
    7,418.61/11,127.92 = 2,224.48/x
  3. Step 3: Cross multiply
    7,418.61x = 11,127.92 × 2,224.48
  4. Step 4: Simplify right side
    7,418.61x = 24,753,835.48
  5. Step 5: Solve for x
    x = 24,753,835.48/7,418.61
  6. Step 6: Final answer
    x = 3,336.72

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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.