Home / 8,199.97-12,305.94-3,271.02

Finding the Fourth Proportional to 8,199.97, 12,305.94 and 3,271.02

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Solution

The fourth proportional to 8,199.97, 12,305.94 and 3,271.02 is: 4,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.97 : 12,305.94 = 3,271.02 : x
  2. Step 2: Convert to fraction form
    8,199.97/12,305.94 = 3,271.02/x
  3. Step 3: Cross multiply
    8,199.97x = 12,305.94 × 3,271.02
  4. Step 4: Simplify right side
    8,199.97x = 40,252,975.86
  5. Step 5: Solve for x
    x = 40,252,975.86/8,199.97
  6. Step 6: Final answer
    x = 4,908.92

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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.