Home / 8,191.72-12,287.70-5,596.60

Finding the Fourth Proportional to 8,191.72, 12,287.70 and 5,596.60

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Solution

The fourth proportional to 8,191.72, 12,287.70 and 5,596.60 is: 8,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.72 : 12,287.70 = 5,596.60 : x
  2. Step 2: Convert to fraction form
    8,191.72/12,287.70 = 5,596.60/x
  3. Step 3: Cross multiply
    8,191.72x = 12,287.70 × 5,596.60
  4. Step 4: Simplify right side
    8,191.72x = 68,769,341.82
  5. Step 5: Solve for x
    x = 68,769,341.82/8,191.72
  6. Step 6: Final answer
    x = 8,394.98

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.