Home / 11,771.49-17,640.21-6,566.43

Finding the Fourth Proportional to 11,771.49, 17,640.21 and 6,566.43

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Solution

The fourth proportional to 11,771.49, 17,640.21 and 6,566.43 is: 9,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.49 : 17,640.21 = 6,566.43 : x
  2. Step 2: Convert to fraction form
    11,771.49/17,640.21 = 6,566.43/x
  3. Step 3: Cross multiply
    11,771.49x = 17,640.21 × 6,566.43
  4. Step 4: Simplify right side
    11,771.49x = 115,833,204.15
  5. Step 5: Solve for x
    x = 115,833,204.15/11,771.49
  6. Step 6: Final answer
    x = 9,840.15

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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.