Home / 11,974.64-17,964.08-4,076.75

Finding the Fourth Proportional to 11,974.64, 17,964.08 and 4,076.75

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Solution

The fourth proportional to 11,974.64, 17,964.08 and 4,076.75 is: 6,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.64 : 17,964.08 = 4,076.75 : x
  2. Step 2: Convert to fraction form
    11,974.64/17,964.08 = 4,076.75/x
  3. Step 3: Cross multiply
    11,974.64x = 17,964.08 × 4,076.75
  4. Step 4: Simplify right side
    11,974.64x = 73,235,102.95
  5. Step 5: Solve for x
    x = 73,235,102.95/11,974.64
  6. Step 6: Final answer
    x = 6,115.85

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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.