Home / 8,199.38-12,299.61-2,356.04

Finding the Fourth Proportional to 8,199.38, 12,299.61 and 2,356.04

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Solution

The fourth proportional to 8,199.38, 12,299.61 and 2,356.04 is: 3,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.38 : 12,299.61 = 2,356.04 : x
  2. Step 2: Convert to fraction form
    8,199.38/12,299.61 = 2,356.04/x
  3. Step 3: Cross multiply
    8,199.38x = 12,299.61 × 2,356.04
  4. Step 4: Simplify right side
    8,199.38x = 28,978,373.14
  5. Step 5: Solve for x
    x = 28,978,373.14/8,199.38
  6. Step 6: Final answer
    x = 3,534.22

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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.