Home / 6,127.24-9,190.86-2,231.68

Finding the Fourth Proportional to 6,127.24, 9,190.86 and 2,231.68

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Solution

The fourth proportional to 6,127.24, 9,190.86 and 2,231.68 is: 3,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.24 : 9,190.86 = 2,231.68 : x
  2. Step 2: Convert to fraction form
    6,127.24/9,190.86 = 2,231.68/x
  3. Step 3: Cross multiply
    6,127.24x = 9,190.86 × 2,231.68
  4. Step 4: Simplify right side
    6,127.24x = 20,511,058.44
  5. Step 5: Solve for x
    x = 20,511,058.44/6,127.24
  6. Step 6: Final answer
    x = 3,347.52

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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.