Home / 11,749.08-17,626.26-3,429.80

Finding the Fourth Proportional to 11,749.08, 17,626.26 and 3,429.80

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Solution

The fourth proportional to 11,749.08, 17,626.26 and 3,429.80 is: 5,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.08 : 17,626.26 = 3,429.80 : x
  2. Step 2: Convert to fraction form
    11,749.08/17,626.26 = 3,429.80/x
  3. Step 3: Cross multiply
    11,749.08x = 17,626.26 × 3,429.80
  4. Step 4: Simplify right side
    11,749.08x = 60,454,546.55
  5. Step 5: Solve for x
    x = 60,454,546.55/11,749.08
  6. Step 6: Final answer
    x = 5,145.47

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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.