Home / 11,837.22-17,763.75-4,911.72

Finding the Fourth Proportional to 11,837.22, 17,763.75 and 4,911.72

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Solution

The fourth proportional to 11,837.22, 17,763.75 and 4,911.72 is: 7,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.22 : 17,763.75 = 4,911.72 : x
  2. Step 2: Convert to fraction form
    11,837.22/17,763.75 = 4,911.72/x
  3. Step 3: Cross multiply
    11,837.22x = 17,763.75 × 4,911.72
  4. Step 4: Simplify right side
    11,837.22x = 87,250,566.15
  5. Step 5: Solve for x
    x = 87,250,566.15/11,837.22
  6. Step 6: Final answer
    x = 7,370.87

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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.