Home / 12,496.42-18,744.96-5,472.81

Finding the Fourth Proportional to 12,496.42, 18,744.96 and 5,472.81

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Solution

The fourth proportional to 12,496.42, 18,744.96 and 5,472.81 is: 8,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.42 : 18,744.96 = 5,472.81 : x
  2. Step 2: Convert to fraction form
    12,496.42/18,744.96 = 5,472.81/x
  3. Step 3: Cross multiply
    12,496.42x = 18,744.96 × 5,472.81
  4. Step 4: Simplify right side
    12,496.42x = 102,587,604.54
  5. Step 5: Solve for x
    x = 102,587,604.54/12,496.42
  6. Step 6: Final answer
    x = 8,209.36

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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.