Home / 7,613.73-11,419.43-2,682.21

Finding the Fourth Proportional to 7,613.73, 11,419.43 and 2,682.21

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Solution

The fourth proportional to 7,613.73, 11,419.43 and 2,682.21 is: 4,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.73 : 11,419.43 = 2,682.21 : x
  2. Step 2: Convert to fraction form
    7,613.73/11,419.43 = 2,682.21/x
  3. Step 3: Cross multiply
    7,613.73x = 11,419.43 × 2,682.21
  4. Step 4: Simplify right side
    7,613.73x = 30,629,316.05
  5. Step 5: Solve for x
    x = 30,629,316.05/7,613.73
  6. Step 6: Final answer
    x = 4,022.91

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1.5x scale

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.