Home / 23,211.30-34,821.94-7,412.61

Finding the Fourth Proportional to 23,211.30, 34,821.94 and 7,412.61

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Solution

The fourth proportional to 23,211.30, 34,821.94 and 7,412.61 is: 11,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.30 : 34,821.94 = 7,412.61 : x
  2. Step 2: Convert to fraction form
    23,211.30/34,821.94 = 7,412.61/x
  3. Step 3: Cross multiply
    23,211.30x = 34,821.94 × 7,412.61
  4. Step 4: Simplify right side
    23,211.30x = 258,121,460.66
  5. Step 5: Solve for x
    x = 258,121,460.66/23,211.30
  6. Step 6: Final answer
    x = 11,120.51

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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.