Home / 12,193.15-18,290.36-3,873.82

Finding the Fourth Proportional to 12,193.15, 18,290.36 and 3,873.82

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Solution

The fourth proportional to 12,193.15, 18,290.36 and 3,873.82 is: 5,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.15 : 18,290.36 = 3,873.82 : x
  2. Step 2: Convert to fraction form
    12,193.15/18,290.36 = 3,873.82/x
  3. Step 3: Cross multiply
    12,193.15x = 18,290.36 × 3,873.82
  4. Step 4: Simplify right side
    12,193.15x = 70,853,562.38
  5. Step 5: Solve for x
    x = 70,853,562.38/12,193.15
  6. Step 6: Final answer
    x = 5,810.93

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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.