Home / 8,646.28-11,932.66-6,759.56

Finding the Fourth Proportional to 8,646.28, 11,932.66 and 6,759.56

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Solution

The fourth proportional to 8,646.28, 11,932.66 and 6,759.56 is: 9,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.28 : 11,932.66 = 6,759.56 : x
  2. Step 2: Convert to fraction form
    8,646.28/11,932.66 = 6,759.56/x
  3. Step 3: Cross multiply
    8,646.28x = 11,932.66 × 6,759.56
  4. Step 4: Simplify right side
    8,646.28x = 80,659,531.23
  5. Step 5: Solve for x
    x = 80,659,531.23/8,646.28
  6. Step 6: Final answer
    x = 9,328.81

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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.