Home / 8,174.44-11,277.38-4,986.92

Finding the Fourth Proportional to 8,174.44, 11,277.38 and 4,986.92

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Solution

The fourth proportional to 8,174.44, 11,277.38 and 4,986.92 is: 6,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.44 : 11,277.38 = 4,986.92 : x
  2. Step 2: Convert to fraction form
    8,174.44/11,277.38 = 4,986.92/x
  3. Step 3: Cross multiply
    8,174.44x = 11,277.38 × 4,986.92
  4. Step 4: Simplify right side
    8,174.44x = 56,239,391.87
  5. Step 5: Solve for x
    x = 56,239,391.87/8,174.44
  6. Step 6: Final answer
    x = 6,879.91

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Double scale
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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.