Home / 11,318.37-16,974.45-4,743.15

Finding the Fourth Proportional to 11,318.37, 16,974.45 and 4,743.15

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Solution

The fourth proportional to 11,318.37, 16,974.45 and 4,743.15 is: 7,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.37 : 16,974.45 = 4,743.15 : x
  2. Step 2: Convert to fraction form
    11,318.37/16,974.45 = 4,743.15/x
  3. Step 3: Cross multiply
    11,318.37x = 16,974.45 × 4,743.15
  4. Step 4: Simplify right side
    11,318.37x = 80,512,362.52
  5. Step 5: Solve for x
    x = 80,512,362.52/11,318.37
  6. Step 6: Final answer
    x = 7,113.42

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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.