Home / 11,940.51-17,916.75-5,365.29

Finding the Fourth Proportional to 11,940.51, 17,916.75 and 5,365.29

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Solution

The fourth proportional to 11,940.51, 17,916.75 and 5,365.29 is: 8,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.51 : 17,916.75 = 5,365.29 : x
  2. Step 2: Convert to fraction form
    11,940.51/17,916.75 = 5,365.29/x
  3. Step 3: Cross multiply
    11,940.51x = 17,916.75 × 5,365.29
  4. Step 4: Simplify right side
    11,940.51x = 96,128,559.61
  5. Step 5: Solve for x
    x = 96,128,559.61/11,940.51
  6. Step 6: Final answer
    x = 8,050.62

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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.