Home / 11,138.34-16,704.27-3,345.06

Finding the Fourth Proportional to 11,138.34, 16,704.27 and 3,345.06

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Solution

The fourth proportional to 11,138.34, 16,704.27 and 3,345.06 is: 5,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.34 : 16,704.27 = 3,345.06 : x
  2. Step 2: Convert to fraction form
    11,138.34/16,704.27 = 3,345.06/x
  3. Step 3: Cross multiply
    11,138.34x = 16,704.27 × 3,345.06
  4. Step 4: Simplify right side
    11,138.34x = 55,876,785.41
  5. Step 5: Solve for x
    x = 55,876,785.41/11,138.34
  6. Step 6: Final answer
    x = 5,016.62

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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.