Home / 12,068.97-18,106.29-3,748.56

Finding the Fourth Proportional to 12,068.97, 18,106.29 and 3,748.56

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Solution

The fourth proportional to 12,068.97, 18,106.29 and 3,748.56 is: 5,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.97 : 18,106.29 = 3,748.56 : x
  2. Step 2: Convert to fraction form
    12,068.97/18,106.29 = 3,748.56/x
  3. Step 3: Cross multiply
    12,068.97x = 18,106.29 × 3,748.56
  4. Step 4: Simplify right side
    12,068.97x = 67,872,514.44
  5. Step 5: Solve for x
    x = 67,872,514.44/12,068.97
  6. Step 6: Final answer
    x = 5,623.72

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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.