Home / 11,749.55-16,220.60-7,992.77

Finding the Fourth Proportional to 11,749.55, 16,220.60 and 7,992.77

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Solution

The fourth proportional to 11,749.55, 16,220.60 and 7,992.77 is: 11,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.55 : 16,220.60 = 7,992.77 : x
  2. Step 2: Convert to fraction form
    11,749.55/16,220.60 = 7,992.77/x
  3. Step 3: Cross multiply
    11,749.55x = 16,220.60 × 7,992.77
  4. Step 4: Simplify right side
    11,749.55x = 129,647,404.00
  5. Step 5: Solve for x
    x = 129,647,404.00/11,749.55
  6. Step 6: Final answer
    x = 11,034.25

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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.