Home / 6,722.70-10,084.05-4,127.10

Finding the Fourth Proportional to 6,722.70, 10,084.05 and 4,127.10

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Solution

The fourth proportional to 6,722.70, 10,084.05 and 4,127.10 is: 6,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.70 : 10,084.05 = 4,127.10 : x
  2. Step 2: Convert to fraction form
    6,722.70/10,084.05 = 4,127.10/x
  3. Step 3: Cross multiply
    6,722.70x = 10,084.05 × 4,127.10
  4. Step 4: Simplify right side
    6,722.70x = 41,617,882.76
  5. Step 5: Solve for x
    x = 41,617,882.76/6,722.70
  6. Step 6: Final answer
    x = 6,190.65

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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.