Home / 11,759.31-16,227.75-6,453.81

Finding the Fourth Proportional to 11,759.31, 16,227.75 and 6,453.81

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Solution

The fourth proportional to 11,759.31, 16,227.75 and 6,453.81 is: 8,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.31 : 16,227.75 = 6,453.81 : x
  2. Step 2: Convert to fraction form
    11,759.31/16,227.75 = 6,453.81/x
  3. Step 3: Cross multiply
    11,759.31x = 16,227.75 × 6,453.81
  4. Step 4: Simplify right side
    11,759.31x = 104,730,815.23
  5. Step 5: Solve for x
    x = 104,730,815.23/11,759.31
  6. Step 6: Final answer
    x = 8,906.20

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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.