Home / 8,226.18-12,339.27-4,761.54

Finding the Fourth Proportional to 8,226.18, 12,339.27 and 4,761.54

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Solution

The fourth proportional to 8,226.18, 12,339.27 and 4,761.54 is: 7,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.18 : 12,339.27 = 4,761.54 : x
  2. Step 2: Convert to fraction form
    8,226.18/12,339.27 = 4,761.54/x
  3. Step 3: Cross multiply
    8,226.18x = 12,339.27 × 4,761.54
  4. Step 4: Simplify right side
    8,226.18x = 58,753,927.68
  5. Step 5: Solve for x
    x = 58,753,927.68/8,226.18
  6. Step 6: Final answer
    x = 7,142.31

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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.