Home / 6,105.14-8,431.97-4,112.22

Finding the Fourth Proportional to 6,105.14, 8,431.97 and 4,112.22

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Solution

The fourth proportional to 6,105.14, 8,431.97 and 4,112.22 is: 5,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.14 : 8,431.97 = 4,112.22 : x
  2. Step 2: Convert to fraction form
    6,105.14/8,431.97 = 4,112.22/x
  3. Step 3: Cross multiply
    6,105.14x = 8,431.97 × 4,112.22
  4. Step 4: Simplify right side
    6,105.14x = 34,674,095.11
  5. Step 5: Solve for x
    x = 34,674,095.11/6,105.14
  6. Step 6: Final answer
    x = 5,679.50

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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.