Home / 8,103.23-12,161.53-6,265.54

Finding the Fourth Proportional to 8,103.23, 12,161.53 and 6,265.54

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Solution

The fourth proportional to 8,103.23, 12,161.53 and 6,265.54 is: 9,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.23 : 12,161.53 = 6,265.54 : x
  2. Step 2: Convert to fraction form
    8,103.23/12,161.53 = 6,265.54/x
  3. Step 3: Cross multiply
    8,103.23x = 12,161.53 × 6,265.54
  4. Step 4: Simplify right side
    8,103.23x = 76,198,540.47
  5. Step 5: Solve for x
    x = 76,198,540.47/8,103.23
  6. Step 6: Final answer
    x = 9,403.48

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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.