Home / 11,960.96-17,942.25-3,196.76

Finding the Fourth Proportional to 11,960.96, 17,942.25 and 3,196.76

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Solution

The fourth proportional to 11,960.96, 17,942.25 and 3,196.76 is: 4,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.96 : 17,942.25 = 3,196.76 : x
  2. Step 2: Convert to fraction form
    11,960.96/17,942.25 = 3,196.76/x
  3. Step 3: Cross multiply
    11,960.96x = 17,942.25 × 3,196.76
  4. Step 4: Simplify right side
    11,960.96x = 57,357,067.11
  5. Step 5: Solve for x
    x = 57,357,067.11/11,960.96
  6. Step 6: Final answer
    x = 4,795.36

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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.