Home / 11,154.66-16,731.07-3,758.95

Finding the Fourth Proportional to 11,154.66, 16,731.07 and 3,758.95

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Solution

The fourth proportional to 11,154.66, 16,731.07 and 3,758.95 is: 5,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.66 : 16,731.07 = 3,758.95 : x
  2. Step 2: Convert to fraction form
    11,154.66/16,731.07 = 3,758.95/x
  3. Step 3: Cross multiply
    11,154.66x = 16,731.07 × 3,758.95
  4. Step 4: Simplify right side
    11,154.66x = 62,891,236.78
  5. Step 5: Solve for x
    x = 62,891,236.78/11,154.66
  6. Step 6: Final answer
    x = 5,638.12

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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.