Home / 11,615.20-17,417.47-3,716.18

Finding the Fourth Proportional to 11,615.20, 17,417.47 and 3,716.18

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Solution

The fourth proportional to 11,615.20, 17,417.47 and 3,716.18 is: 5,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.20 : 17,417.47 = 3,716.18 : x
  2. Step 2: Convert to fraction form
    11,615.20/17,417.47 = 3,716.18/x
  3. Step 3: Cross multiply
    11,615.20x = 17,417.47 × 3,716.18
  4. Step 4: Simplify right side
    11,615.20x = 64,726,453.66
  5. Step 5: Solve for x
    x = 64,726,453.66/11,615.20
  6. Step 6: Final answer
    x = 5,572.56

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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.