Home / 8,080.56-12,120.84-2,237.16

Finding the Fourth Proportional to 8,080.56, 12,120.84 and 2,237.16

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Solution

The fourth proportional to 8,080.56, 12,120.84 and 2,237.16 is: 3,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.56 : 12,120.84 = 2,237.16 : x
  2. Step 2: Convert to fraction form
    8,080.56/12,120.84 = 2,237.16/x
  3. Step 3: Cross multiply
    8,080.56x = 12,120.84 × 2,237.16
  4. Step 4: Simplify right side
    8,080.56x = 27,116,258.41
  5. Step 5: Solve for x
    x = 27,116,258.41/8,080.56
  6. Step 6: Final answer
    x = 3,355.74

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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.