Home / 11,625.28-17,442.24-5,388.28

Finding the Fourth Proportional to 11,625.28, 17,442.24 and 5,388.28

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Solution

The fourth proportional to 11,625.28, 17,442.24 and 5,388.28 is: 8,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.28 : 17,442.24 = 5,388.28 : x
  2. Step 2: Convert to fraction form
    11,625.28/17,442.24 = 5,388.28/x
  3. Step 3: Cross multiply
    11,625.28x = 17,442.24 × 5,388.28
  4. Step 4: Simplify right side
    11,625.28x = 93,983,672.95
  5. Step 5: Solve for x
    x = 93,983,672.95/11,625.28
  6. Step 6: Final answer
    x = 8,084.42

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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.