Home / 11,963.12-17,944.44-3,198.32

Finding the Fourth Proportional to 11,963.12, 17,944.44 and 3,198.32

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Solution

The fourth proportional to 11,963.12, 17,944.44 and 3,198.32 is: 4,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.12 : 17,944.44 = 3,198.32 : x
  2. Step 2: Convert to fraction form
    11,963.12/17,944.44 = 3,198.32/x
  3. Step 3: Cross multiply
    11,963.12x = 17,944.44 × 3,198.32
  4. Step 4: Simplify right side
    11,963.12x = 57,392,061.34
  5. Step 5: Solve for x
    x = 57,392,061.34/11,963.12
  6. Step 6: Final answer
    x = 4,797.42

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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.