Home / 12,106.70-18,160.95-3,341.53

Finding the Fourth Proportional to 12,106.70, 18,160.95 and 3,341.53

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Solution

The fourth proportional to 12,106.70, 18,160.95 and 3,341.53 is: 5,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.70 : 18,160.95 = 3,341.53 : x
  2. Step 2: Convert to fraction form
    12,106.70/18,160.95 = 3,341.53/x
  3. Step 3: Cross multiply
    12,106.70x = 18,160.95 × 3,341.53
  4. Step 4: Simplify right side
    12,106.70x = 60,685,394.49
  5. Step 5: Solve for x
    x = 60,685,394.49/12,106.70
  6. Step 6: Final answer
    x = 5,012.55

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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.