Home / 8,178.25-11,286.03-4,452.25

Finding the Fourth Proportional to 8,178.25, 11,286.03 and 4,452.25

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Solution

The fourth proportional to 8,178.25, 11,286.03 and 4,452.25 is: 6,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.25 : 11,286.03 = 4,452.25 : x
  2. Step 2: Convert to fraction form
    8,178.25/11,286.03 = 4,452.25/x
  3. Step 3: Cross multiply
    8,178.25x = 11,286.03 × 4,452.25
  4. Step 4: Simplify right side
    8,178.25x = 50,248,227.07
  5. Step 5: Solve for x
    x = 50,248,227.07/8,178.25
  6. Step 6: Final answer
    x = 6,144.13

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Half scale
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Double scale
Find fourth proportional to 8,179.25, 11,287.41 and 4,453.25
Similar ratio
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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.