Home / 11,120.16-16,680.44-3,723.24

Finding the Fourth Proportional to 11,120.16, 16,680.44 and 3,723.24

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Solution

The fourth proportional to 11,120.16, 16,680.44 and 3,723.24 is: 5,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.16 : 16,680.44 = 3,723.24 : x
  2. Step 2: Convert to fraction form
    11,120.16/16,680.44 = 3,723.24/x
  3. Step 3: Cross multiply
    11,120.16x = 16,680.44 × 3,723.24
  4. Step 4: Simplify right side
    11,120.16x = 62,105,179.41
  5. Step 5: Solve for x
    x = 62,105,179.41/11,120.16
  6. Step 6: Final answer
    x = 5,584.92

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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.