Home / 8,006.96-12,012.42-3,325.56

Finding the Fourth Proportional to 8,006.96, 12,012.42 and 3,325.56

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Solution

The fourth proportional to 8,006.96, 12,012.42 and 3,325.56 is: 4,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.96 : 12,012.42 = 3,325.56 : x
  2. Step 2: Convert to fraction form
    8,006.96/12,012.42 = 3,325.56/x
  3. Step 3: Cross multiply
    8,006.96x = 12,012.42 × 3,325.56
  4. Step 4: Simplify right side
    8,006.96x = 39,948,023.46
  5. Step 5: Solve for x
    x = 39,948,023.46/8,006.96
  6. Step 6: Final answer
    x = 4,989.17

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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.