Home / 8,107.82-11,190.02-5,868.88

Finding the Fourth Proportional to 8,107.82, 11,190.02 and 5,868.88

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Solution

The fourth proportional to 8,107.82, 11,190.02 and 5,868.88 is: 8,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.82 : 11,190.02 = 5,868.88 : x
  2. Step 2: Convert to fraction form
    8,107.82/11,190.02 = 5,868.88/x
  3. Step 3: Cross multiply
    8,107.82x = 11,190.02 × 5,868.88
  4. Step 4: Simplify right side
    8,107.82x = 65,672,884.58
  5. Step 5: Solve for x
    x = 65,672,884.58/8,107.82
  6. Step 6: Final answer
    x = 8,099.94

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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.