Home / 8,100.94-11,179.20-4,564.75

Finding the Fourth Proportional to 8,100.94, 11,179.20 and 4,564.75

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Solution

The fourth proportional to 8,100.94, 11,179.20 and 4,564.75 is: 6,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.94 : 11,179.20 = 4,564.75 : x
  2. Step 2: Convert to fraction form
    8,100.94/11,179.20 = 4,564.75/x
  3. Step 3: Cross multiply
    8,100.94x = 11,179.20 × 4,564.75
  4. Step 4: Simplify right side
    8,100.94x = 51,030,253.20
  5. Step 5: Solve for x
    x = 51,030,253.20/8,100.94
  6. Step 6: Final answer
    x = 6,299.30

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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.