Home / 8,301.79-12,452.73-2,458.45

Finding the Fourth Proportional to 8,301.79, 12,452.73 and 2,458.45

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Solution

The fourth proportional to 8,301.79, 12,452.73 and 2,458.45 is: 3,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.79 : 12,452.73 = 2,458.45 : x
  2. Step 2: Convert to fraction form
    8,301.79/12,452.73 = 2,458.45/x
  3. Step 3: Cross multiply
    8,301.79x = 12,452.73 × 2,458.45
  4. Step 4: Simplify right side
    8,301.79x = 30,614,414.07
  5. Step 5: Solve for x
    x = 30,614,414.07/8,301.79
  6. Step 6: Final answer
    x = 3,687.69

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Double scale
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Similar ratio
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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.