Home / 11,813.06-17,722.33-4,021.88

Finding the Fourth Proportional to 11,813.06, 17,722.33 and 4,021.88

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Solution

The fourth proportional to 11,813.06, 17,722.33 and 4,021.88 is: 6,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.06 : 17,722.33 = 4,021.88 : x
  2. Step 2: Convert to fraction form
    11,813.06/17,722.33 = 4,021.88/x
  3. Step 3: Cross multiply
    11,813.06x = 17,722.33 × 4,021.88
  4. Step 4: Simplify right side
    11,813.06x = 71,276,985.91
  5. Step 5: Solve for x
    x = 71,276,985.91/11,813.06
  6. Step 6: Final answer
    x = 6,033.74

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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.