Home / 8,234.46-12,345.21-5,892.75

Finding the Fourth Proportional to 8,234.46, 12,345.21 and 5,892.75

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Solution

The fourth proportional to 8,234.46, 12,345.21 and 5,892.75 is: 8,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.46 : 12,345.21 = 5,892.75 : x
  2. Step 2: Convert to fraction form
    8,234.46/12,345.21 = 5,892.75/x
  3. Step 3: Cross multiply
    8,234.46x = 12,345.21 × 5,892.75
  4. Step 4: Simplify right side
    8,234.46x = 72,747,236.23
  5. Step 5: Solve for x
    x = 72,747,236.23/8,234.46
  6. Step 6: Final answer
    x = 8,834.49

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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.