Home / 8,080.69-12,121.02-2,237.28

Finding the Fourth Proportional to 8,080.69, 12,121.02 and 2,237.28

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Solution

The fourth proportional to 8,080.69, 12,121.02 and 2,237.28 is: 3,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.69 : 12,121.02 = 2,237.28 : x
  2. Step 2: Convert to fraction form
    8,080.69/12,121.02 = 2,237.28/x
  3. Step 3: Cross multiply
    8,080.69x = 12,121.02 × 2,237.28
  4. Step 4: Simplify right side
    8,080.69x = 27,118,104.44
  5. Step 5: Solve for x
    x = 27,118,104.44/8,080.69
  6. Step 6: Final answer
    x = 3,355.91

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Double scale
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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.