Home / 8,181.09-12,273.75-2,338.16

Finding the Fourth Proportional to 8,181.09, 12,273.75 and 2,338.16

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Solution

The fourth proportional to 8,181.09, 12,273.75 and 2,338.16 is: 3,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.09 : 12,273.75 = 2,338.16 : x
  2. Step 2: Convert to fraction form
    8,181.09/12,273.75 = 2,338.16/x
  3. Step 3: Cross multiply
    8,181.09x = 12,273.75 × 2,338.16
  4. Step 4: Simplify right side
    8,181.09x = 28,697,929.93
  5. Step 5: Solve for x
    x = 28,697,929.93/8,181.09
  6. Step 6: Final answer
    x = 3,507.84

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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.