Home / 6,680.82-9,219.89-4,197.62

Finding the Fourth Proportional to 6,680.82, 9,219.89 and 4,197.62

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Solution

The fourth proportional to 6,680.82, 9,219.89 and 4,197.62 is: 5,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.82 : 9,219.89 = 4,197.62 : x
  2. Step 2: Convert to fraction form
    6,680.82/9,219.89 = 4,197.62/x
  3. Step 3: Cross multiply
    6,680.82x = 9,219.89 × 4,197.62
  4. Step 4: Simplify right side
    6,680.82x = 38,701,594.66
  5. Step 5: Solve for x
    x = 38,701,594.66/6,680.82
  6. Step 6: Final answer
    x = 5,792.94

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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.