Home / 11,749.67-17,625.65-3,429.75

Finding the Fourth Proportional to 11,749.67, 17,625.65 and 3,429.75

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Solution

The fourth proportional to 11,749.67, 17,625.65 and 3,429.75 is: 5,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.67 : 17,625.65 = 3,429.75 : x
  2. Step 2: Convert to fraction form
    11,749.67/17,625.65 = 3,429.75/x
  3. Step 3: Cross multiply
    11,749.67x = 17,625.65 × 3,429.75
  4. Step 4: Simplify right side
    11,749.67x = 60,451,573.09
  5. Step 5: Solve for x
    x = 60,451,573.09/11,749.67
  6. Step 6: Final answer
    x = 5,144.96

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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.