Home / 8,253.33-11,391.72-5,107.68

Finding the Fourth Proportional to 8,253.33, 11,391.72 and 5,107.68

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Solution

The fourth proportional to 8,253.33, 11,391.72 and 5,107.68 is: 7,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.33 : 11,391.72 = 5,107.68 : x
  2. Step 2: Convert to fraction form
    8,253.33/11,391.72 = 5,107.68/x
  3. Step 3: Cross multiply
    8,253.33x = 11,391.72 × 5,107.68
  4. Step 4: Simplify right side
    8,253.33x = 58,185,260.41
  5. Step 5: Solve for x
    x = 58,185,260.41/8,253.33
  6. Step 6: Final answer
    x = 7,049.91

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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.