Home / 11,742.80-17,615.41-3,952.22

Finding the Fourth Proportional to 11,742.80, 17,615.41 and 3,952.22

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Solution

The fourth proportional to 11,742.80, 17,615.41 and 3,952.22 is: 5,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.80 : 17,615.41 = 3,952.22 : x
  2. Step 2: Convert to fraction form
    11,742.80/17,615.41 = 3,952.22/x
  3. Step 3: Cross multiply
    11,742.80x = 17,615.41 × 3,952.22
  4. Step 4: Simplify right side
    11,742.80x = 69,619,877.75
  5. Step 5: Solve for x
    x = 69,619,877.75/11,742.80
  6. Step 6: Final answer
    x = 5,928.73

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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.