Home / 12,077.58-18,113.09-3,310.41

Finding the Fourth Proportional to 12,077.58, 18,113.09 and 3,310.41

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Solution

The fourth proportional to 12,077.58, 18,113.09 and 3,310.41 is: 4,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.58 : 18,113.09 = 3,310.41 : x
  2. Step 2: Convert to fraction form
    12,077.58/18,113.09 = 3,310.41/x
  3. Step 3: Cross multiply
    12,077.58x = 18,113.09 × 3,310.41
  4. Step 4: Simplify right side
    12,077.58x = 59,961,737.71
  5. Step 5: Solve for x
    x = 59,961,737.71/12,077.58
  6. Step 6: Final answer
    x = 4,964.71

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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.