Home / 11,640.31-17,465.58-3,849.12

Finding the Fourth Proportional to 11,640.31, 17,465.58 and 3,849.12

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Solution

The fourth proportional to 11,640.31, 17,465.58 and 3,849.12 is: 5,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.31 : 17,465.58 = 3,849.12 : x
  2. Step 2: Convert to fraction form
    11,640.31/17,465.58 = 3,849.12/x
  3. Step 3: Cross multiply
    11,640.31x = 17,465.58 × 3,849.12
  4. Step 4: Simplify right side
    11,640.31x = 67,227,113.29
  5. Step 5: Solve for x
    x = 67,227,113.29/11,640.31
  6. Step 6: Final answer
    x = 5,775.37

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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.