Home / 8,076.83-12,115.34-2,529.95

Finding the Fourth Proportional to 8,076.83, 12,115.34 and 2,529.95

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Solution

The fourth proportional to 8,076.83, 12,115.34 and 2,529.95 is: 3,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.83 : 12,115.34 = 2,529.95 : x
  2. Step 2: Convert to fraction form
    8,076.83/12,115.34 = 2,529.95/x
  3. Step 3: Cross multiply
    8,076.83x = 12,115.34 × 2,529.95
  4. Step 4: Simplify right side
    8,076.83x = 30,651,204.43
  5. Step 5: Solve for x
    x = 30,651,204.43/8,076.83
  6. Step 6: Final answer
    x = 3,794.95

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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.