Home / 11,942.13-17,916.81-4,822.71

Finding the Fourth Proportional to 11,942.13, 17,916.81 and 4,822.71

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Solution

The fourth proportional to 11,942.13, 17,916.81 and 4,822.71 is: 7,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.13 : 17,916.81 = 4,822.71 : x
  2. Step 2: Convert to fraction form
    11,942.13/17,916.81 = 4,822.71/x
  3. Step 3: Cross multiply
    11,942.13x = 17,916.81 × 4,822.71
  4. Step 4: Simplify right side
    11,942.13x = 86,407,578.76
  5. Step 5: Solve for x
    x = 86,407,578.76/11,942.13
  6. Step 6: Final answer
    x = 7,235.52

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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.