Home / 11,558.88-17,338.62-4,163.38

Finding the Fourth Proportional to 11,558.88, 17,338.62 and 4,163.38

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Solution

The fourth proportional to 11,558.88, 17,338.62 and 4,163.38 is: 6,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.88 : 17,338.62 = 4,163.38 : x
  2. Step 2: Convert to fraction form
    11,558.88/17,338.62 = 4,163.38/x
  3. Step 3: Cross multiply
    11,558.88x = 17,338.62 × 4,163.38
  4. Step 4: Simplify right side
    11,558.88x = 72,187,263.74
  5. Step 5: Solve for x
    x = 72,187,263.74/11,558.88
  6. Step 6: Final answer
    x = 6,245.18

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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.