Home / 11,474.75-17,218.40-4,455.05

Finding the Fourth Proportional to 11,474.75, 17,218.40 and 4,455.05

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Solution

The fourth proportional to 11,474.75, 17,218.40 and 4,455.05 is: 6,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.75 : 17,218.40 = 4,455.05 : x
  2. Step 2: Convert to fraction form
    11,474.75/17,218.40 = 4,455.05/x
  3. Step 3: Cross multiply
    11,474.75x = 17,218.40 × 4,455.05
  4. Step 4: Simplify right side
    11,474.75x = 76,708,757.97
  5. Step 5: Solve for x
    x = 76,708,757.97/11,474.75
  6. Step 6: Final answer
    x = 6,685.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.