Home / 12,076.38-18,115.38-3,310.56

Finding the Fourth Proportional to 12,076.38, 18,115.38 and 3,310.56

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Solution

The fourth proportional to 12,076.38, 18,115.38 and 3,310.56 is: 4,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.38 : 18,115.38 = 3,310.56 : x
  2. Step 2: Convert to fraction form
    12,076.38/18,115.38 = 3,310.56/x
  3. Step 3: Cross multiply
    12,076.38x = 18,115.38 × 3,310.56
  4. Step 4: Simplify right side
    12,076.38x = 59,972,052.41
  5. Step 5: Solve for x
    x = 59,972,052.41/12,076.38
  6. Step 6: Final answer
    x = 4,966.06

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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.