Home / 11,972.14-17,958.24-4,180.95

Finding the Fourth Proportional to 11,972.14, 17,958.24 and 4,180.95

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Solution

The fourth proportional to 11,972.14, 17,958.24 and 4,180.95 is: 6,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.14 : 17,958.24 = 4,180.95 : x
  2. Step 2: Convert to fraction form
    11,972.14/17,958.24 = 4,180.95/x
  3. Step 3: Cross multiply
    11,972.14x = 17,958.24 × 4,180.95
  4. Step 4: Simplify right side
    11,972.14x = 75,082,503.53
  5. Step 5: Solve for x
    x = 75,082,503.53/11,972.14
  6. Step 6: Final answer
    x = 6,271.44

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1.5x scale

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.