Home / 8,045.39-12,069.92-2,851.26

Finding the Fourth Proportional to 8,045.39, 12,069.92 and 2,851.26

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Solution

The fourth proportional to 8,045.39, 12,069.92 and 2,851.26 is: 4,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.39 : 12,069.92 = 2,851.26 : x
  2. Step 2: Convert to fraction form
    8,045.39/12,069.92 = 2,851.26/x
  3. Step 3: Cross multiply
    8,045.39x = 12,069.92 × 2,851.26
  4. Step 4: Simplify right side
    8,045.39x = 34,414,465.84
  5. Step 5: Solve for x
    x = 34,414,465.84/8,045.39
  6. Step 6: Final answer
    x = 4,277.54

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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.