Home / 12,228.56-18,344.37-3,463.46

Finding the Fourth Proportional to 12,228.56, 18,344.37 and 3,463.46

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Solution

The fourth proportional to 12,228.56, 18,344.37 and 3,463.46 is: 5,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.56 : 18,344.37 = 3,463.46 : x
  2. Step 2: Convert to fraction form
    12,228.56/18,344.37 = 3,463.46/x
  3. Step 3: Cross multiply
    12,228.56x = 18,344.37 × 3,463.46
  4. Step 4: Simplify right side
    12,228.56x = 63,534,991.72
  5. Step 5: Solve for x
    x = 63,534,991.72/12,228.56
  6. Step 6: Final answer
    x = 5,195.62

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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.