Home / 6,981.04-10,469.92-2,049.36

Finding the Fourth Proportional to 6,981.04, 10,469.92 and 2,049.36

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Solution

The fourth proportional to 6,981.04, 10,469.92 and 2,049.36 is: 3,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.04 : 10,469.92 = 2,049.36 : x
  2. Step 2: Convert to fraction form
    6,981.04/10,469.92 = 2,049.36/x
  3. Step 3: Cross multiply
    6,981.04x = 10,469.92 × 2,049.36
  4. Step 4: Simplify right side
    6,981.04x = 21,456,635.25
  5. Step 5: Solve for x
    x = 21,456,635.25/6,981.04
  6. Step 6: Final answer
    x = 3,073.56

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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.