Home / 7,997.02-11,995.56-2,801.68

Finding the Fourth Proportional to 7,997.02, 11,995.56 and 2,801.68

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Solution

The fourth proportional to 7,997.02, 11,995.56 and 2,801.68 is: 4,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.02 : 11,995.56 = 2,801.68 : x
  2. Step 2: Convert to fraction form
    7,997.02/11,995.56 = 2,801.68/x
  3. Step 3: Cross multiply
    7,997.02x = 11,995.56 × 2,801.68
  4. Step 4: Simplify right side
    7,997.02x = 33,607,720.54
  5. Step 5: Solve for x
    x = 33,607,720.54/7,997.02
  6. Step 6: Final answer
    x = 4,202.53

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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.