Home / 8,825.82-13,240.23-2,981.04

Finding the Fourth Proportional to 8,825.82, 13,240.23 and 2,981.04

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Solution

The fourth proportional to 8,825.82, 13,240.23 and 2,981.04 is: 4,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.82 : 13,240.23 = 2,981.04 : x
  2. Step 2: Convert to fraction form
    8,825.82/13,240.23 = 2,981.04/x
  3. Step 3: Cross multiply
    8,825.82x = 13,240.23 × 2,981.04
  4. Step 4: Simplify right side
    8,825.82x = 39,469,655.24
  5. Step 5: Solve for x
    x = 39,469,655.24/8,825.82
  6. Step 6: Final answer
    x = 4,472.07

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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.