Home / 8,076.44-12,119.79-4,180.85

Finding the Fourth Proportional to 8,076.44, 12,119.79 and 4,180.85

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Solution

The fourth proportional to 8,076.44, 12,119.79 and 4,180.85 is: 6,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.44 : 12,119.79 = 4,180.85 : x
  2. Step 2: Convert to fraction form
    8,076.44/12,119.79 = 4,180.85/x
  3. Step 3: Cross multiply
    8,076.44x = 12,119.79 × 4,180.85
  4. Step 4: Simplify right side
    8,076.44x = 50,670,942.52
  5. Step 5: Solve for x
    x = 50,670,942.52/8,076.44
  6. Step 6: Final answer
    x = 6,273.92

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1.5x scale

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.