Home / 11,180.20-16,772.82-3,784.24

Finding the Fourth Proportional to 11,180.20, 16,772.82 and 3,784.24

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Solution

The fourth proportional to 11,180.20, 16,772.82 and 3,784.24 is: 5,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.20 : 16,772.82 = 3,784.24 : x
  2. Step 2: Convert to fraction form
    11,180.20/16,772.82 = 3,784.24/x
  3. Step 3: Cross multiply
    11,180.20x = 16,772.82 × 3,784.24
  4. Step 4: Simplify right side
    11,180.20x = 63,472,376.36
  5. Step 5: Solve for x
    x = 63,472,376.36/11,180.20
  6. Step 6: Final answer
    x = 5,677.21

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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.