Home / 12,591.03-18,886.55-5,997.22

Finding the Fourth Proportional to 12,591.03, 18,886.55 and 5,997.22

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Solution

The fourth proportional to 12,591.03, 18,886.55 and 5,997.22 is: 8,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.03 : 18,886.55 = 5,997.22 : x
  2. Step 2: Convert to fraction form
    12,591.03/18,886.55 = 5,997.22/x
  3. Step 3: Cross multiply
    12,591.03x = 18,886.55 × 5,997.22
  4. Step 4: Simplify right side
    12,591.03x = 113,266,858.16
  5. Step 5: Solve for x
    x = 113,266,858.16/12,591.03
  6. Step 6: Final answer
    x = 8,995.84

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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.