Home / 6,613.25-9,126.20-3,629.12

Finding the Fourth Proportional to 6,613.25, 9,126.20 and 3,629.12

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Solution

The fourth proportional to 6,613.25, 9,126.20 and 3,629.12 is: 5,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.25 : 9,126.20 = 3,629.12 : x
  2. Step 2: Convert to fraction form
    6,613.25/9,126.20 = 3,629.12/x
  3. Step 3: Cross multiply
    6,613.25x = 9,126.20 × 3,629.12
  4. Step 4: Simplify right side
    6,613.25x = 33,120,011.17
  5. Step 5: Solve for x
    x = 33,120,011.17/6,613.25
  6. Step 6: Final answer
    x = 5,008.13

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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.