Home / 8,153.75-11,252.18-4,427.75

Finding the Fourth Proportional to 8,153.75, 11,252.18 and 4,427.75

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Solution

The fourth proportional to 8,153.75, 11,252.18 and 4,427.75 is: 6,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.75 : 11,252.18 = 4,427.75 : x
  2. Step 2: Convert to fraction form
    8,153.75/11,252.18 = 4,427.75/x
  3. Step 3: Cross multiply
    8,153.75x = 11,252.18 × 4,427.75
  4. Step 4: Simplify right side
    8,153.75x = 49,821,817.86
  5. Step 5: Solve for x
    x = 49,821,817.86/8,153.75
  6. Step 6: Final answer
    x = 6,110.30

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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.