Home / 8,246.61-12,371.96-3,321.76

Finding the Fourth Proportional to 8,246.61, 12,371.96 and 3,321.76

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Solution

The fourth proportional to 8,246.61, 12,371.96 and 3,321.76 is: 4,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.61 : 12,371.96 = 3,321.76 : x
  2. Step 2: Convert to fraction form
    8,246.61/12,371.96 = 3,321.76/x
  3. Step 3: Cross multiply
    8,246.61x = 12,371.96 × 3,321.76
  4. Step 4: Simplify right side
    8,246.61x = 41,096,665.24
  5. Step 5: Solve for x
    x = 41,096,665.24/8,246.61
  6. Step 6: Final answer
    x = 4,983.46

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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.