Home / 8,531.20-12,797.16-4,151.98

Finding the Fourth Proportional to 8,531.20, 12,797.16 and 4,151.98

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Solution

The fourth proportional to 8,531.20, 12,797.16 and 4,151.98 is: 6,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.20 : 12,797.16 = 4,151.98 : x
  2. Step 2: Convert to fraction form
    8,531.20/12,797.16 = 4,151.98/x
  3. Step 3: Cross multiply
    8,531.20x = 12,797.16 × 4,151.98
  4. Step 4: Simplify right side
    8,531.20x = 53,133,552.38
  5. Step 5: Solve for x
    x = 53,133,552.38/8,531.20
  6. Step 6: Final answer
    x = 6,228.15

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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.