Home / 11,939.12-16,474.50-6,633.56

Finding the Fourth Proportional to 11,939.12, 16,474.50 and 6,633.56

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Solution

The fourth proportional to 11,939.12, 16,474.50 and 6,633.56 is: 9,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.12 : 16,474.50 = 6,633.56 : x
  2. Step 2: Convert to fraction form
    11,939.12/16,474.50 = 6,633.56/x
  3. Step 3: Cross multiply
    11,939.12x = 16,474.50 × 6,633.56
  4. Step 4: Simplify right side
    11,939.12x = 109,284,584.22
  5. Step 5: Solve for x
    x = 109,284,584.22/11,939.12
  6. Step 6: Final answer
    x = 9,153.49

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