Home / 7,974.88-11,964.75-4,082.02

Finding the Fourth Proportional to 7,974.88, 11,964.75 and 4,082.02

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Solution

The fourth proportional to 7,974.88, 11,964.75 and 4,082.02 is: 6,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.88 : 11,964.75 = 4,082.02 : x
  2. Step 2: Convert to fraction form
    7,974.88/11,964.75 = 4,082.02/x
  3. Step 3: Cross multiply
    7,974.88x = 11,964.75 × 4,082.02
  4. Step 4: Simplify right side
    7,974.88x = 48,840,348.80
  5. Step 5: Solve for x
    x = 48,840,348.80/7,974.88
  6. Step 6: Final answer
    x = 6,124.27

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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.