Home / 11,845.62-17,764.83-4,918.50

Finding the Fourth Proportional to 11,845.62, 17,764.83 and 4,918.50

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Solution

The fourth proportional to 11,845.62, 17,764.83 and 4,918.50 is: 7,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.62 : 17,764.83 = 4,918.50 : x
  2. Step 2: Convert to fraction form
    11,845.62/17,764.83 = 4,918.50/x
  3. Step 3: Cross multiply
    11,845.62x = 17,764.83 × 4,918.50
  4. Step 4: Simplify right side
    11,845.62x = 87,376,316.36
  5. Step 5: Solve for x
    x = 87,376,316.36/11,845.62
  6. Step 6: Final answer
    x = 7,376.26

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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.