Home / 9,993.29-13,790.66-5,517.04

Finding the Fourth Proportional to 9,993.29, 13,790.66 and 5,517.04

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Solution

The fourth proportional to 9,993.29, 13,790.66 and 5,517.04 is: 7,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.29 : 13,790.66 = 5,517.04 : x
  2. Step 2: Convert to fraction form
    9,993.29/13,790.66 = 5,517.04/x
  3. Step 3: Cross multiply
    9,993.29x = 13,790.66 × 5,517.04
  4. Step 4: Simplify right side
    9,993.29x = 76,083,622.85
  5. Step 5: Solve for x
    x = 76,083,622.85/9,993.29
  6. Step 6: Final answer
    x = 7,613.47

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1.5x scale

Why These Related Problems?

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