Home / 8,351.32-12,523.20-3,974.08

Finding the Fourth Proportional to 8,351.32, 12,523.20 and 3,974.08

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Solution

The fourth proportional to 8,351.32, 12,523.20 and 3,974.08 is: 5,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.32 : 12,523.20 = 3,974.08 : x
  2. Step 2: Convert to fraction form
    8,351.32/12,523.20 = 3,974.08/x
  3. Step 3: Cross multiply
    8,351.32x = 12,523.20 × 3,974.08
  4. Step 4: Simplify right side
    8,351.32x = 49,768,198.66
  5. Step 5: Solve for x
    x = 49,768,198.66/8,351.32
  6. Step 6: Final answer
    x = 5,959.32

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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.