Home / 11,723.20-17,584.80-3,403.20

Finding the Fourth Proportional to 11,723.20, 17,584.80 and 3,403.20

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Solution

The fourth proportional to 11,723.20, 17,584.80 and 3,403.20 is: 5,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.20 : 17,584.80 = 3,403.20 : x
  2. Step 2: Convert to fraction form
    11,723.20/17,584.80 = 3,403.20/x
  3. Step 3: Cross multiply
    11,723.20x = 17,584.80 × 3,403.20
  4. Step 4: Simplify right side
    11,723.20x = 59,844,591.36
  5. Step 5: Solve for x
    x = 59,844,591.36/11,723.20
  6. Step 6: Final answer
    x = 5,104.80

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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.