Home / 6,121.07-8,447.09-3,468.48

Finding the Fourth Proportional to 6,121.07, 8,447.09 and 3,468.48

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Solution

The fourth proportional to 6,121.07, 8,447.09 and 3,468.48 is: 4,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.07 : 8,447.09 = 3,468.48 : x
  2. Step 2: Convert to fraction form
    6,121.07/8,447.09 = 3,468.48/x
  3. Step 3: Cross multiply
    6,121.07x = 8,447.09 × 3,468.48
  4. Step 4: Simplify right side
    6,121.07x = 29,298,545.38
  5. Step 5: Solve for x
    x = 29,298,545.38/6,121.07
  6. Step 6: Final answer
    x = 4,786.51

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Half scale
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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.