Home / 8,512.25-11,734.11-6,716.64

Finding the Fourth Proportional to 8,512.25, 11,734.11 and 6,716.64

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Solution

The fourth proportional to 8,512.25, 11,734.11 and 6,716.64 is: 9,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.25 : 11,734.11 = 6,716.64 : x
  2. Step 2: Convert to fraction form
    8,512.25/11,734.11 = 6,716.64/x
  3. Step 3: Cross multiply
    8,512.25x = 11,734.11 × 6,716.64
  4. Step 4: Simplify right side
    8,512.25x = 78,813,700.34
  5. Step 5: Solve for x
    x = 78,813,700.34/8,512.25
  6. Step 6: Final answer
    x = 9,258.85

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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.