Home / 8,112.44-12,166.80-2,269.64

Finding the Fourth Proportional to 8,112.44, 12,166.80 and 2,269.64

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Solution

The fourth proportional to 8,112.44, 12,166.80 and 2,269.64 is: 3,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.44 : 12,166.80 = 2,269.64 : x
  2. Step 2: Convert to fraction form
    8,112.44/12,166.80 = 2,269.64/x
  3. Step 3: Cross multiply
    8,112.44x = 12,166.80 × 2,269.64
  4. Step 4: Simplify right side
    8,112.44x = 27,614,255.95
  5. Step 5: Solve for x
    x = 27,614,255.95/8,112.44
  6. Step 6: Final answer
    x = 3,403.94

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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.