Home / 7,517.72-11,268.66-3,613.88

Finding the Fourth Proportional to 7,517.72, 11,268.66 and 3,613.88

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Solution

The fourth proportional to 7,517.72, 11,268.66 and 3,613.88 is: 5,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.72 : 11,268.66 = 3,613.88 : x
  2. Step 2: Convert to fraction form
    7,517.72/11,268.66 = 3,613.88/x
  3. Step 3: Cross multiply
    7,517.72x = 11,268.66 × 3,613.88
  4. Step 4: Simplify right side
    7,517.72x = 40,723,585.00
  5. Step 5: Solve for x
    x = 40,723,585.00/7,517.72
  6. Step 6: Final answer
    x = 5,417.01

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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.