Home / 12,106.60-18,160.94-3,341.51

Finding the Fourth Proportional to 12,106.60, 18,160.94 and 3,341.51

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Solution

The fourth proportional to 12,106.60, 18,160.94 and 3,341.51 is: 5,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.60 : 18,160.94 = 3,341.51 : x
  2. Step 2: Convert to fraction form
    12,106.60/18,160.94 = 3,341.51/x
  3. Step 3: Cross multiply
    12,106.60x = 18,160.94 × 3,341.51
  4. Step 4: Simplify right side
    12,106.60x = 60,685,003.84
  5. Step 5: Solve for x
    x = 60,685,003.84/12,106.60
  6. Step 6: Final answer
    x = 5,012.56

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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.