Home / 11,224.56-16,836.18-3,432.78

Finding the Fourth Proportional to 11,224.56, 16,836.18 and 3,432.78

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Solution

The fourth proportional to 11,224.56, 16,836.18 and 3,432.78 is: 5,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.56 : 16,836.18 = 3,432.78 : x
  2. Step 2: Convert to fraction form
    11,224.56/16,836.18 = 3,432.78/x
  3. Step 3: Cross multiply
    11,224.56x = 16,836.18 × 3,432.78
  4. Step 4: Simplify right side
    11,224.56x = 57,794,901.98
  5. Step 5: Solve for x
    x = 57,794,901.98/11,224.56
  6. Step 6: Final answer
    x = 5,148.97

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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.