Home / 12,076.43-18,113.77-3,310.66

Finding the Fourth Proportional to 12,076.43, 18,113.77 and 3,310.66

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Solution

The fourth proportional to 12,076.43, 18,113.77 and 3,310.66 is: 4,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.43 : 18,113.77 = 3,310.66 : x
  2. Step 2: Convert to fraction form
    12,076.43/18,113.77 = 3,310.66/x
  3. Step 3: Cross multiply
    12,076.43x = 18,113.77 × 3,310.66
  4. Step 4: Simplify right side
    12,076.43x = 59,968,480.23
  5. Step 5: Solve for x
    x = 59,968,480.23/12,076.43
  6. Step 6: Final answer
    x = 4,965.74

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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.