Home / 12,262.32-18,391.02-3,375.33

Finding the Fourth Proportional to 12,262.32, 18,391.02 and 3,375.33

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Solution

The fourth proportional to 12,262.32, 18,391.02 and 3,375.33 is: 5,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.32 : 18,391.02 = 3,375.33 : x
  2. Step 2: Convert to fraction form
    12,262.32/18,391.02 = 3,375.33/x
  3. Step 3: Cross multiply
    12,262.32x = 18,391.02 × 3,375.33
  4. Step 4: Simplify right side
    12,262.32x = 62,075,761.54
  5. Step 5: Solve for x
    x = 62,075,761.54/12,262.32
  6. Step 6: Final answer
    x = 5,062.32

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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.