Home / 8,049.32-12,066.48-3,122.16

Finding the Fourth Proportional to 8,049.32, 12,066.48 and 3,122.16

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Solution

The fourth proportional to 8,049.32, 12,066.48 and 3,122.16 is: 4,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.32 : 12,066.48 = 3,122.16 : x
  2. Step 2: Convert to fraction form
    8,049.32/12,066.48 = 3,122.16/x
  3. Step 3: Cross multiply
    8,049.32x = 12,066.48 × 3,122.16
  4. Step 4: Simplify right side
    8,049.32x = 37,673,481.20
  5. Step 5: Solve for x
    x = 37,673,481.20/8,049.32
  6. Step 6: Final answer
    x = 4,680.33

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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.