Home / 7,414.24-11,112.96-3,719.52

Finding the Fourth Proportional to 7,414.24, 11,112.96 and 3,719.52

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Solution

The fourth proportional to 7,414.24, 11,112.96 and 3,719.52 is: 5,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.24 : 11,112.96 = 3,719.52 : x
  2. Step 2: Convert to fraction form
    7,414.24/11,112.96 = 3,719.52/x
  3. Step 3: Cross multiply
    7,414.24x = 11,112.96 × 3,719.52
  4. Step 4: Simplify right side
    7,414.24x = 41,334,876.98
  5. Step 5: Solve for x
    x = 41,334,876.98/7,414.24
  6. Step 6: Final answer
    x = 5,575.07

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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.