Home / 8,529.89-12,796.20-2,983.11

Finding the Fourth Proportional to 8,529.89, 12,796.20 and 2,983.11

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Solution

The fourth proportional to 8,529.89, 12,796.20 and 2,983.11 is: 4,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.89 : 12,796.20 = 2,983.11 : x
  2. Step 2: Convert to fraction form
    8,529.89/12,796.20 = 2,983.11/x
  3. Step 3: Cross multiply
    8,529.89x = 12,796.20 × 2,983.11
  4. Step 4: Simplify right side
    8,529.89x = 38,172,472.18
  5. Step 5: Solve for x
    x = 38,172,472.18/8,529.89
  6. Step 6: Final answer
    x = 4,475.14

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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.