Home / 11,179.76-16,772.24-3,281.96

Finding the Fourth Proportional to 11,179.76, 16,772.24 and 3,281.96

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Solution

The fourth proportional to 11,179.76, 16,772.24 and 3,281.96 is: 4,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.76 : 16,772.24 = 3,281.96 : x
  2. Step 2: Convert to fraction form
    11,179.76/16,772.24 = 3,281.96/x
  3. Step 3: Cross multiply
    11,179.76x = 16,772.24 × 3,281.96
  4. Step 4: Simplify right side
    11,179.76x = 55,045,820.79
  5. Step 5: Solve for x
    x = 55,045,820.79/11,179.76
  6. Step 6: Final answer
    x = 4,923.70

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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.