Home / 11,749.50-17,622.36-3,427.56

Finding the Fourth Proportional to 11,749.50, 17,622.36 and 3,427.56

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Solution

The fourth proportional to 11,749.50, 17,622.36 and 3,427.56 is: 5,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.50 : 17,622.36 = 3,427.56 : x
  2. Step 2: Convert to fraction form
    11,749.50/17,622.36 = 3,427.56/x
  3. Step 3: Cross multiply
    11,749.50x = 17,622.36 × 3,427.56
  4. Step 4: Simplify right side
    11,749.50x = 60,401,696.24
  5. Step 5: Solve for x
    x = 60,401,696.24/11,749.50
  6. Step 6: Final answer
    x = 5,140.79

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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.