Home / 9,993.26-13,790.77-5,517.15

Finding the Fourth Proportional to 9,993.26, 13,790.77 and 5,517.15

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Solution

The fourth proportional to 9,993.26, 13,790.77 and 5,517.15 is: 7,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.26 : 13,790.77 = 5,517.15 : x
  2. Step 2: Convert to fraction form
    9,993.26/13,790.77 = 5,517.15/x
  3. Step 3: Cross multiply
    9,993.26x = 13,790.77 × 5,517.15
  4. Step 4: Simplify right side
    9,993.26x = 76,085,746.71
  5. Step 5: Solve for x
    x = 76,085,746.71/9,993.26
  6. Step 6: Final answer
    x = 7,613.71

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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.