Home / 11,942.87-17,926.38-4,927.07

Finding the Fourth Proportional to 11,942.87, 17,926.38 and 4,927.07

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Solution

The fourth proportional to 11,942.87, 17,926.38 and 4,927.07 is: 7,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.87 : 17,926.38 = 4,927.07 : x
  2. Step 2: Convert to fraction form
    11,942.87/17,926.38 = 4,927.07/x
  3. Step 3: Cross multiply
    11,942.87x = 17,926.38 × 4,927.07
  4. Step 4: Simplify right side
    11,942.87x = 88,324,439.47
  5. Step 5: Solve for x
    x = 88,324,439.47/11,942.87
  6. Step 6: Final answer
    x = 7,395.58

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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.