Home / 11,272.32-16,910.91-3,375.46

Finding the Fourth Proportional to 11,272.32, 16,910.91 and 3,375.46

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Solution

The fourth proportional to 11,272.32, 16,910.91 and 3,375.46 is: 5,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.32 : 16,910.91 = 3,375.46 : x
  2. Step 2: Convert to fraction form
    11,272.32/16,910.91 = 3,375.46/x
  3. Step 3: Cross multiply
    11,272.32x = 16,910.91 × 3,375.46
  4. Step 4: Simplify right side
    11,272.32x = 57,082,121.41
  5. Step 5: Solve for x
    x = 57,082,121.41/11,272.32
  6. Step 6: Final answer
    x = 5,063.92

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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.