Home / 7,961.64-11,944.38-2,768.04

Finding the Fourth Proportional to 7,961.64, 11,944.38 and 2,768.04

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Solution

The fourth proportional to 7,961.64, 11,944.38 and 2,768.04 is: 4,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.64 : 11,944.38 = 2,768.04 : x
  2. Step 2: Convert to fraction form
    7,961.64/11,944.38 = 2,768.04/x
  3. Step 3: Cross multiply
    7,961.64x = 11,944.38 × 2,768.04
  4. Step 4: Simplify right side
    7,961.64x = 33,062,521.62
  5. Step 5: Solve for x
    x = 33,062,521.62/7,961.64
  6. Step 6: Final answer
    x = 4,152.73

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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.