Home / 8,037.75-11,079.95-6,912.66

Finding the Fourth Proportional to 8,037.75, 11,079.95 and 6,912.66

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Solution

The fourth proportional to 8,037.75, 11,079.95 and 6,912.66 is: 9,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,037.75 : 11,079.95 = 6,912.66 : x
  2. Step 2: Convert to fraction form
    8,037.75/11,079.95 = 6,912.66/x
  3. Step 3: Cross multiply
    8,037.75x = 11,079.95 × 6,912.66
  4. Step 4: Simplify right side
    8,037.75x = 76,591,892.60
  5. Step 5: Solve for x
    x = 76,591,892.60/8,037.75
  6. Step 6: Final answer
    x = 9,529.02

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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.