Home / 8,314.68-12,474.18-3,122.04

Finding the Fourth Proportional to 8,314.68, 12,474.18 and 3,122.04

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Solution

The fourth proportional to 8,314.68, 12,474.18 and 3,122.04 is: 4,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.68 : 12,474.18 = 3,122.04 : x
  2. Step 2: Convert to fraction form
    8,314.68/12,474.18 = 3,122.04/x
  3. Step 3: Cross multiply
    8,314.68x = 12,474.18 × 3,122.04
  4. Step 4: Simplify right side
    8,314.68x = 38,944,888.93
  5. Step 5: Solve for x
    x = 38,944,888.93/8,314.68
  6. Step 6: Final answer
    x = 4,683.87

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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.