Home / 11,781.46-17,670.06-4,761.22

Finding the Fourth Proportional to 11,781.46, 17,670.06 and 4,761.22

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Solution

The fourth proportional to 11,781.46, 17,670.06 and 4,761.22 is: 7,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.46 : 17,670.06 = 4,761.22 : x
  2. Step 2: Convert to fraction form
    11,781.46/17,670.06 = 4,761.22/x
  3. Step 3: Cross multiply
    11,781.46x = 17,670.06 × 4,761.22
  4. Step 4: Simplify right side
    11,781.46x = 84,131,043.07
  5. Step 5: Solve for x
    x = 84,131,043.07/11,781.46
  6. Step 6: Final answer
    x = 7,140.97

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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.