Home / 9,993.20-13,790.70-5,517.14

Finding the Fourth Proportional to 9,993.20, 13,790.70 and 5,517.14

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Solution

The fourth proportional to 9,993.20, 13,790.70 and 5,517.14 is: 7,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.20 : 13,790.70 = 5,517.14 : x
  2. Step 2: Convert to fraction form
    9,993.20/13,790.70 = 5,517.14/x
  3. Step 3: Cross multiply
    9,993.20x = 13,790.70 × 5,517.14
  4. Step 4: Simplify right side
    9,993.20x = 76,085,153.64
  5. Step 5: Solve for x
    x = 76,085,153.64/9,993.20
  6. Step 6: Final answer
    x = 7,613.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.