Home / 8,616.80-12,925.21-2,773.41

Finding the Fourth Proportional to 8,616.80, 12,925.21 and 2,773.41

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Solution

The fourth proportional to 8,616.80, 12,925.21 and 2,773.41 is: 4,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.80 : 12,925.21 = 2,773.41 : x
  2. Step 2: Convert to fraction form
    8,616.80/12,925.21 = 2,773.41/x
  3. Step 3: Cross multiply
    8,616.80x = 12,925.21 × 2,773.41
  4. Step 4: Simplify right side
    8,616.80x = 35,846,906.67
  5. Step 5: Solve for x
    x = 35,846,906.67/8,616.80
  6. Step 6: Final answer
    x = 4,160.12

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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.