Home / 8,311.08-12,446.79-4,793.68

Finding the Fourth Proportional to 8,311.08, 12,446.79 and 4,793.68

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Solution

The fourth proportional to 8,311.08, 12,446.79 and 4,793.68 is: 7,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.08 : 12,446.79 = 4,793.68 : x
  2. Step 2: Convert to fraction form
    8,311.08/12,446.79 = 4,793.68/x
  3. Step 3: Cross multiply
    8,311.08x = 12,446.79 × 4,793.68
  4. Step 4: Simplify right side
    8,311.08x = 59,665,928.29
  5. Step 5: Solve for x
    x = 59,665,928.29/8,311.08
  6. Step 6: Final answer
    x = 7,179.08

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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.