Home / 10,446.82-15,672.39-3,521.86

Finding the Fourth Proportional to 10,446.82, 15,672.39 and 3,521.86

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Solution

The fourth proportional to 10,446.82, 15,672.39 and 3,521.86 is: 5,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.82 : 15,672.39 = 3,521.86 : x
  2. Step 2: Convert to fraction form
    10,446.82/15,672.39 = 3,521.86/x
  3. Step 3: Cross multiply
    10,446.82x = 15,672.39 × 3,521.86
  4. Step 4: Simplify right side
    10,446.82x = 55,195,963.45
  5. Step 5: Solve for x
    x = 55,195,963.45/10,446.82
  6. Step 6: Final answer
    x = 5,283.52

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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.