Home / 11,793.89-16,275.59-6,489.03

Finding the Fourth Proportional to 11,793.89, 16,275.59 and 6,489.03

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Solution

The fourth proportional to 11,793.89, 16,275.59 and 6,489.03 is: 8,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.89 : 16,275.59 = 6,489.03 : x
  2. Step 2: Convert to fraction form
    11,793.89/16,275.59 = 6,489.03/x
  3. Step 3: Cross multiply
    11,793.89x = 16,275.59 × 6,489.03
  4. Step 4: Simplify right side
    11,793.89x = 105,612,759.33
  5. Step 5: Solve for x
    x = 105,612,759.33/11,793.89
  6. Step 6: Final answer
    x = 8,954.87

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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.