Home / 11,961.60-17,942.73-3,196.52

Finding the Fourth Proportional to 11,961.60, 17,942.73 and 3,196.52

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Solution

The fourth proportional to 11,961.60, 17,942.73 and 3,196.52 is: 4,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.60 : 17,942.73 = 3,196.52 : x
  2. Step 2: Convert to fraction form
    11,961.60/17,942.73 = 3,196.52/x
  3. Step 3: Cross multiply
    11,961.60x = 17,942.73 × 3,196.52
  4. Step 4: Simplify right side
    11,961.60x = 57,354,295.30
  5. Step 5: Solve for x
    x = 57,354,295.30/11,961.60
  6. Step 6: Final answer
    x = 4,794.87

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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.