Home / 11,942.73-17,916.64-3,509.93

Finding the Fourth Proportional to 11,942.73, 17,916.64 and 3,509.93

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Solution

The fourth proportional to 11,942.73, 17,916.64 and 3,509.93 is: 5,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.73 : 17,916.64 = 3,509.93 : x
  2. Step 2: Convert to fraction form
    11,942.73/17,916.64 = 3,509.93/x
  3. Step 3: Cross multiply
    11,942.73x = 17,916.64 × 3,509.93
  4. Step 4: Simplify right side
    11,942.73x = 62,886,188.25
  5. Step 5: Solve for x
    x = 62,886,188.25/11,942.73
  6. Step 6: Final answer
    x = 5,265.65

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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.