Home / 10,942.32-16,418.32-6,785.36

Finding the Fourth Proportional to 10,942.32, 16,418.32 and 6,785.36

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Solution

The fourth proportional to 10,942.32, 16,418.32 and 6,785.36 is: 10,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.32 : 16,418.32 = 6,785.36 : x
  2. Step 2: Convert to fraction form
    10,942.32/16,418.32 = 6,785.36/x
  3. Step 3: Cross multiply
    10,942.32x = 16,418.32 × 6,785.36
  4. Step 4: Simplify right side
    10,942.32x = 111,404,211.80
  5. Step 5: Solve for x
    x = 111,404,211.80/10,942.32
  6. Step 6: Final answer
    x = 10,181.04

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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.