Home / 11,163.33-15,401.01-6,687.27

Finding the Fourth Proportional to 11,163.33, 15,401.01 and 6,687.27

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Solution

The fourth proportional to 11,163.33, 15,401.01 and 6,687.27 is: 9,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.33 : 15,401.01 = 6,687.27 : x
  2. Step 2: Convert to fraction form
    11,163.33/15,401.01 = 6,687.27/x
  3. Step 3: Cross multiply
    11,163.33x = 15,401.01 × 6,687.27
  4. Step 4: Simplify right side
    11,163.33x = 102,990,712.14
  5. Step 5: Solve for x
    x = 102,990,712.14/11,163.33
  6. Step 6: Final answer
    x = 9,225.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.