Home / 12,632.14-18,940.11-5,241.70

Finding the Fourth Proportional to 12,632.14, 18,940.11 and 5,241.70

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Solution

The fourth proportional to 12,632.14, 18,940.11 and 5,241.70 is: 7,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.14 : 18,940.11 = 5,241.70 : x
  2. Step 2: Convert to fraction form
    12,632.14/18,940.11 = 5,241.70/x
  3. Step 3: Cross multiply
    12,632.14x = 18,940.11 × 5,241.70
  4. Step 4: Simplify right side
    12,632.14x = 99,278,374.59
  5. Step 5: Solve for x
    x = 99,278,374.59/12,632.14
  6. Step 6: Final answer
    x = 7,859.19

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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.