Home / 7,422.52-11,134.32-2,228.80

Finding the Fourth Proportional to 7,422.52, 11,134.32 and 2,228.80

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Solution

The fourth proportional to 7,422.52, 11,134.32 and 2,228.80 is: 3,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.52 : 11,134.32 = 2,228.80 : x
  2. Step 2: Convert to fraction form
    7,422.52/11,134.32 = 2,228.80/x
  3. Step 3: Cross multiply
    7,422.52x = 11,134.32 × 2,228.80
  4. Step 4: Simplify right side
    7,422.52x = 24,816,172.42
  5. Step 5: Solve for x
    x = 24,816,172.42/7,422.52
  6. Step 6: Final answer
    x = 3,343.36

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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.