Home / 11,723.50-17,584.33-5,149.74

Finding the Fourth Proportional to 11,723.50, 17,584.33 and 5,149.74

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Solution

The fourth proportional to 11,723.50, 17,584.33 and 5,149.74 is: 7,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.50 : 17,584.33 = 5,149.74 : x
  2. Step 2: Convert to fraction form
    11,723.50/17,584.33 = 5,149.74/x
  3. Step 3: Cross multiply
    11,723.50x = 17,584.33 × 5,149.74
  4. Step 4: Simplify right side
    11,723.50x = 90,554,727.57
  5. Step 5: Solve for x
    x = 90,554,727.57/11,723.50
  6. Step 6: Final answer
    x = 7,724.21

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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.