Home / 11,517.80-17,254.13-5,974.79

Finding the Fourth Proportional to 11,517.80, 17,254.13 and 5,974.79

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Solution

The fourth proportional to 11,517.80, 17,254.13 and 5,974.79 is: 8,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.80 : 17,254.13 = 5,974.79 : x
  2. Step 2: Convert to fraction form
    11,517.80/17,254.13 = 5,974.79/x
  3. Step 3: Cross multiply
    11,517.80x = 17,254.13 × 5,974.79
  4. Step 4: Simplify right side
    11,517.80x = 103,089,687.24
  5. Step 5: Solve for x
    x = 103,089,687.24/11,517.80
  6. Step 6: Final answer
    x = 8,950.47

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1.5x scale

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.