Home / 12,040.26-16,615.42-6,735.12

Finding the Fourth Proportional to 12,040.26, 16,615.42 and 6,735.12

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Solution

The fourth proportional to 12,040.26, 16,615.42 and 6,735.12 is: 9,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.26 : 16,615.42 = 6,735.12 : x
  2. Step 2: Convert to fraction form
    12,040.26/16,615.42 = 6,735.12/x
  3. Step 3: Cross multiply
    12,040.26x = 16,615.42 × 6,735.12
  4. Step 4: Simplify right side
    12,040.26x = 111,906,847.55
  5. Step 5: Solve for x
    x = 111,906,847.55/12,040.26
  6. Step 6: Final answer
    x = 9,294.39

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.