Home / 8,366.16-12,552.28-3,172

Finding the Fourth Proportional to 8,366.16, 12,552.28 and 3,172

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Solution

The fourth proportional to 8,366.16, 12,552.28 and 3,172 is: 4,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.16 : 12,552.28 = 3,172 : x
  2. Step 2: Convert to fraction form
    8,366.16/12,552.28 = 3,172/x
  3. Step 3: Cross multiply
    8,366.16x = 12,552.28 × 3,172
  4. Step 4: Simplify right side
    8,366.16x = 39,815,832.16
  5. Step 5: Solve for x
    x = 39,815,832.16/8,366.16
  6. Step 6: Final answer
    x = 4,759.15

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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.