Home / 11,759.20-16,227.20-6,453.96

Finding the Fourth Proportional to 11,759.20, 16,227.20 and 6,453.96

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Solution

The fourth proportional to 11,759.20, 16,227.20 and 6,453.96 is: 8,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.20 : 16,227.20 = 6,453.96 : x
  2. Step 2: Convert to fraction form
    11,759.20/16,227.20 = 6,453.96/x
  3. Step 3: Cross multiply
    11,759.20x = 16,227.20 × 6,453.96
  4. Step 4: Simplify right side
    11,759.20x = 104,729,699.71
  5. Step 5: Solve for x
    x = 104,729,699.71/11,759.20
  6. Step 6: Final answer
    x = 8,906.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.