Home / 8,578.92-12,868.44-3,032.36

Finding the Fourth Proportional to 8,578.92, 12,868.44 and 3,032.36

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Solution

The fourth proportional to 8,578.92, 12,868.44 and 3,032.36 is: 4,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.92 : 12,868.44 = 3,032.36 : x
  2. Step 2: Convert to fraction form
    8,578.92/12,868.44 = 3,032.36/x
  3. Step 3: Cross multiply
    8,578.92x = 12,868.44 × 3,032.36
  4. Step 4: Simplify right side
    8,578.92x = 39,021,742.72
  5. Step 5: Solve for x
    x = 39,021,742.72/8,578.92
  6. Step 6: Final answer
    x = 4,548.56

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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.