Home / 11,942.64-17,917.56-4,823.22

Finding the Fourth Proportional to 11,942.64, 17,917.56 and 4,823.22

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Solution

The fourth proportional to 11,942.64, 17,917.56 and 4,823.22 is: 7,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.64 : 17,917.56 = 4,823.22 : x
  2. Step 2: Convert to fraction form
    11,942.64/17,917.56 = 4,823.22/x
  3. Step 3: Cross multiply
    11,942.64x = 17,917.56 × 4,823.22
  4. Step 4: Simplify right side
    11,942.64x = 86,420,333.74
  5. Step 5: Solve for x
    x = 86,420,333.74/11,942.64
  6. Step 6: Final answer
    x = 7,236.28

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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.