Home / 10,279.62-15,415.92-3,352.50

Finding the Fourth Proportional to 10,279.62, 15,415.92 and 3,352.50

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Solution

The fourth proportional to 10,279.62, 15,415.92 and 3,352.50 is: 5,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.62 : 15,415.92 = 3,352.50 : x
  2. Step 2: Convert to fraction form
    10,279.62/15,415.92 = 3,352.50/x
  3. Step 3: Cross multiply
    10,279.62x = 15,415.92 × 3,352.50
  4. Step 4: Simplify right side
    10,279.62x = 51,681,871.80
  5. Step 5: Solve for x
    x = 51,681,871.80/10,279.62
  6. Step 6: Final answer
    x = 5,027.61

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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.