Home / 11,955.32-17,932.76-4,163.93

Finding the Fourth Proportional to 11,955.32, 17,932.76 and 4,163.93

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Solution

The fourth proportional to 11,955.32, 17,932.76 and 4,163.93 is: 6,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.32 : 17,932.76 = 4,163.93 : x
  2. Step 2: Convert to fraction form
    11,955.32/17,932.76 = 4,163.93/x
  3. Step 3: Cross multiply
    11,955.32x = 17,932.76 × 4,163.93
  4. Step 4: Simplify right side
    11,955.32x = 74,670,757.35
  5. Step 5: Solve for x
    x = 74,670,757.35/11,955.32
  6. Step 6: Final answer
    x = 6,245.82

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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.