Home / 11,722.47-17,591.91-5,153.27

Finding the Fourth Proportional to 11,722.47, 17,591.91 and 5,153.27

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Solution

The fourth proportional to 11,722.47, 17,591.91 and 5,153.27 is: 7,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.47 : 17,591.91 = 5,153.27 : x
  2. Step 2: Convert to fraction form
    11,722.47/17,591.91 = 5,153.27/x
  3. Step 3: Cross multiply
    11,722.47x = 17,591.91 × 5,153.27
  4. Step 4: Simplify right side
    11,722.47x = 90,655,868.21
  5. Step 5: Solve for x
    x = 90,655,868.21/11,722.47
  6. Step 6: Final answer
    x = 7,733.51

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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.