Home / 10,504.26-15,755.09-3,108.56

Finding the Fourth Proportional to 10,504.26, 15,755.09 and 3,108.56

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Solution

The fourth proportional to 10,504.26, 15,755.09 and 3,108.56 is: 4,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.26 : 15,755.09 = 3,108.56 : x
  2. Step 2: Convert to fraction form
    10,504.26/15,755.09 = 3,108.56/x
  3. Step 3: Cross multiply
    10,504.26x = 15,755.09 × 3,108.56
  4. Step 4: Simplify right side
    10,504.26x = 48,975,548.25
  5. Step 5: Solve for x
    x = 48,975,548.25/10,504.26
  6. Step 6: Final answer
    x = 4,662.45

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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.