Home / 9,112.02-13,669.49-3,190.58

Finding the Fourth Proportional to 9,112.02, 13,669.49 and 3,190.58

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Solution

The fourth proportional to 9,112.02, 13,669.49 and 3,190.58 is: 4,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.02 : 13,669.49 = 3,190.58 : x
  2. Step 2: Convert to fraction form
    9,112.02/13,669.49 = 3,190.58/x
  3. Step 3: Cross multiply
    9,112.02x = 13,669.49 × 3,190.58
  4. Step 4: Simplify right side
    9,112.02x = 43,613,517.10
  5. Step 5: Solve for x
    x = 43,613,517.10/9,112.02
  6. Step 6: Final answer
    x = 4,786.37

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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.