Home / 8,088.62-12,132.86-2,245.22

Finding the Fourth Proportional to 8,088.62, 12,132.86 and 2,245.22

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Solution

The fourth proportional to 8,088.62, 12,132.86 and 2,245.22 is: 3,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.62 : 12,132.86 = 2,245.22 : x
  2. Step 2: Convert to fraction form
    8,088.62/12,132.86 = 2,245.22/x
  3. Step 3: Cross multiply
    8,088.62x = 12,132.86 × 2,245.22
  4. Step 4: Simplify right side
    8,088.62x = 27,240,939.93
  5. Step 5: Solve for x
    x = 27,240,939.93/8,088.62
  6. Step 6: Final answer
    x = 3,367.81

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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.