Home / 12,006.57-18,009.84-3,241.49

Finding the Fourth Proportional to 12,006.57, 18,009.84 and 3,241.49

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Solution

The fourth proportional to 12,006.57, 18,009.84 and 3,241.49 is: 4,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.57 : 18,009.84 = 3,241.49 : x
  2. Step 2: Convert to fraction form
    12,006.57/18,009.84 = 3,241.49/x
  3. Step 3: Cross multiply
    12,006.57x = 18,009.84 × 3,241.49
  4. Step 4: Simplify right side
    12,006.57x = 58,378,626.21
  5. Step 5: Solve for x
    x = 58,378,626.21/12,006.57
  6. Step 6: Final answer
    x = 4,862.22

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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.