Home / 7,972.82-11,001.25-4,436.02

Finding the Fourth Proportional to 7,972.82, 11,001.25 and 4,436.02

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Solution

The fourth proportional to 7,972.82, 11,001.25 and 4,436.02 is: 6,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.82 : 11,001.25 = 4,436.02 : x
  2. Step 2: Convert to fraction form
    7,972.82/11,001.25 = 4,436.02/x
  3. Step 3: Cross multiply
    7,972.82x = 11,001.25 × 4,436.02
  4. Step 4: Simplify right side
    7,972.82x = 48,801,765.03
  5. Step 5: Solve for x
    x = 48,801,765.03/7,972.82
  6. Step 6: Final answer
    x = 6,121.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.