Home / 11,749.20-16,202.91-9,367.08

Finding the Fourth Proportional to 11,749.20, 16,202.91 and 9,367.08

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Solution

The fourth proportional to 11,749.20, 16,202.91 and 9,367.08 is: 12,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.20 : 16,202.91 = 9,367.08 : x
  2. Step 2: Convert to fraction form
    11,749.20/16,202.91 = 9,367.08/x
  3. Step 3: Cross multiply
    11,749.20x = 16,202.91 × 9,367.08
  4. Step 4: Simplify right side
    11,749.20x = 151,773,954.20
  5. Step 5: Solve for x
    x = 151,773,954.20/11,749.20
  6. Step 6: Final answer
    x = 12,917.81

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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.