Home / 8,011.08-12,013.40-3,327.92

Finding the Fourth Proportional to 8,011.08, 12,013.40 and 3,327.92

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Solution

The fourth proportional to 8,011.08, 12,013.40 and 3,327.92 is: 4,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.08 : 12,013.40 = 3,327.92 : x
  2. Step 2: Convert to fraction form
    8,011.08/12,013.40 = 3,327.92/x
  3. Step 3: Cross multiply
    8,011.08x = 12,013.40 × 3,327.92
  4. Step 4: Simplify right side
    8,011.08x = 39,979,634.13
  5. Step 5: Solve for x
    x = 39,979,634.13/8,011.08
  6. Step 6: Final answer
    x = 4,990.54

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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.