Home / 11,930.63-17,895.94-3,722.63

Finding the Fourth Proportional to 11,930.63, 17,895.94 and 3,722.63

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Solution

The fourth proportional to 11,930.63, 17,895.94 and 3,722.63 is: 5,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.63 : 17,895.94 = 3,722.63 : x
  2. Step 2: Convert to fraction form
    11,930.63/17,895.94 = 3,722.63/x
  3. Step 3: Cross multiply
    11,930.63x = 17,895.94 × 3,722.63
  4. Step 4: Simplify right side
    11,930.63x = 66,619,864.34
  5. Step 5: Solve for x
    x = 66,619,864.34/11,930.63
  6. Step 6: Final answer
    x = 5,583.94

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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.