Home / 10,664.22-15,997.68-3,645.57

Finding the Fourth Proportional to 10,664.22, 15,997.68 and 3,645.57

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Solution

The fourth proportional to 10,664.22, 15,997.68 and 3,645.57 is: 5,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.22 : 15,997.68 = 3,645.57 : x
  2. Step 2: Convert to fraction form
    10,664.22/15,997.68 = 3,645.57/x
  3. Step 3: Cross multiply
    10,664.22x = 15,997.68 × 3,645.57
  4. Step 4: Simplify right side
    10,664.22x = 58,320,662.28
  5. Step 5: Solve for x
    x = 58,320,662.28/10,664.22
  6. Step 6: Final answer
    x = 5,468.82

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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.