Home / 8,247.75-11,381.94-4,892.25

Finding the Fourth Proportional to 8,247.75, 11,381.94 and 4,892.25

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Solution

The fourth proportional to 8,247.75, 11,381.94 and 4,892.25 is: 6,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.75 : 11,381.94 = 4,892.25 : x
  2. Step 2: Convert to fraction form
    8,247.75/11,381.94 = 4,892.25/x
  3. Step 3: Cross multiply
    8,247.75x = 11,381.94 × 4,892.25
  4. Step 4: Simplify right side
    8,247.75x = 55,683,295.97
  5. Step 5: Solve for x
    x = 55,683,295.97/8,247.75
  6. Step 6: Final answer
    x = 6,751.33

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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.