Home / 11,147.47-16,722.11-3,749.94

Finding the Fourth Proportional to 11,147.47, 16,722.11 and 3,749.94

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Solution

The fourth proportional to 11,147.47, 16,722.11 and 3,749.94 is: 5,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.47 : 16,722.11 = 3,749.94 : x
  2. Step 2: Convert to fraction form
    11,147.47/16,722.11 = 3,749.94/x
  3. Step 3: Cross multiply
    11,147.47x = 16,722.11 × 3,749.94
  4. Step 4: Simplify right side
    11,147.47x = 62,706,890.42
  5. Step 5: Solve for x
    x = 62,706,890.42/11,147.47
  6. Step 6: Final answer
    x = 5,625.21

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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.