Home / 12,087.03-18,130.56-3,323.25

Finding the Fourth Proportional to 12,087.03, 18,130.56 and 3,323.25

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Solution

The fourth proportional to 12,087.03, 18,130.56 and 3,323.25 is: 4,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.03 : 18,130.56 = 3,323.25 : x
  2. Step 2: Convert to fraction form
    12,087.03/18,130.56 = 3,323.25/x
  3. Step 3: Cross multiply
    12,087.03x = 18,130.56 × 3,323.25
  4. Step 4: Simplify right side
    12,087.03x = 60,252,383.52
  5. Step 5: Solve for x
    x = 60,252,383.52/12,087.03
  6. Step 6: Final answer
    x = 4,984.88

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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.