Home / 11,942.15-17,913.63-5,368.36

Finding the Fourth Proportional to 11,942.15, 17,913.63 and 5,368.36

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Solution

The fourth proportional to 11,942.15, 17,913.63 and 5,368.36 is: 8,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.15 : 17,913.63 = 5,368.36 : x
  2. Step 2: Convert to fraction form
    11,942.15/17,913.63 = 5,368.36/x
  3. Step 3: Cross multiply
    11,942.15x = 17,913.63 × 5,368.36
  4. Step 4: Simplify right side
    11,942.15x = 96,166,749.83
  5. Step 5: Solve for x
    x = 96,166,749.83/11,942.15
  6. Step 6: Final answer
    x = 8,052.71

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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.