Home / 11,837.45-17,756.85-3,072.14

Finding the Fourth Proportional to 11,837.45, 17,756.85 and 3,072.14

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Solution

The fourth proportional to 11,837.45, 17,756.85 and 3,072.14 is: 4,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.45 : 17,756.85 = 3,072.14 : x
  2. Step 2: Convert to fraction form
    11,837.45/17,756.85 = 3,072.14/x
  3. Step 3: Cross multiply
    11,837.45x = 17,756.85 × 3,072.14
  4. Step 4: Simplify right side
    11,837.45x = 54,551,529.16
  5. Step 5: Solve for x
    x = 54,551,529.16/11,837.45
  6. Step 6: Final answer
    x = 4,608.39

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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.