Home / 7,972.62-11,959.34-2,425.53

Finding the Fourth Proportional to 7,972.62, 11,959.34 and 2,425.53

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Solution

The fourth proportional to 7,972.62, 11,959.34 and 2,425.53 is: 3,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.62 : 11,959.34 = 2,425.53 : x
  2. Step 2: Convert to fraction form
    7,972.62/11,959.34 = 2,425.53/x
  3. Step 3: Cross multiply
    7,972.62x = 11,959.34 × 2,425.53
  4. Step 4: Simplify right side
    7,972.62x = 29,007,737.95
  5. Step 5: Solve for x
    x = 29,007,737.95/7,972.62
  6. Step 6: Final answer
    x = 3,638.42

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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.