Home / 11,772.22-17,656.74-4,375.66

Finding the Fourth Proportional to 11,772.22, 17,656.74 and 4,375.66

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Solution

The fourth proportional to 11,772.22, 17,656.74 and 4,375.66 is: 6,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.22 : 17,656.74 = 4,375.66 : x
  2. Step 2: Convert to fraction form
    11,772.22/17,656.74 = 4,375.66/x
  3. Step 3: Cross multiply
    11,772.22x = 17,656.74 × 4,375.66
  4. Step 4: Simplify right side
    11,772.22x = 77,259,802.66
  5. Step 5: Solve for x
    x = 77,259,802.66/11,772.22
  6. Step 6: Final answer
    x = 6,562.89

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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.