Home / 11,749.44-17,621.44-3,427.60

Finding the Fourth Proportional to 11,749.44, 17,621.44 and 3,427.60

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Solution

The fourth proportional to 11,749.44, 17,621.44 and 3,427.60 is: 5,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.44 : 17,621.44 = 3,427.60 : x
  2. Step 2: Convert to fraction form
    11,749.44/17,621.44 = 3,427.60/x
  3. Step 3: Cross multiply
    11,749.44x = 17,621.44 × 3,427.60
  4. Step 4: Simplify right side
    11,749.44x = 60,399,247.74
  5. Step 5: Solve for x
    x = 60,399,247.74/11,749.44
  6. Step 6: Final answer
    x = 5,140.61

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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.