Home / 8,105.22-12,164.52-6,267.54

Finding the Fourth Proportional to 8,105.22, 12,164.52 and 6,267.54

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Solution

The fourth proportional to 8,105.22, 12,164.52 and 6,267.54 is: 9,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.22 : 12,164.52 = 6,267.54 : x
  2. Step 2: Convert to fraction form
    8,105.22/12,164.52 = 6,267.54/x
  3. Step 3: Cross multiply
    8,105.22x = 12,164.52 × 6,267.54
  4. Step 4: Simplify right side
    8,105.22x = 76,241,615.68
  5. Step 5: Solve for x
    x = 76,241,615.68/8,105.22
  6. Step 6: Final answer
    x = 9,406.48

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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.