Home / 11,140.89-16,693.76-4,111.23

Finding the Fourth Proportional to 11,140.89, 16,693.76 and 4,111.23

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Solution

The fourth proportional to 11,140.89, 16,693.76 and 4,111.23 is: 6,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.89 : 16,693.76 = 4,111.23 : x
  2. Step 2: Convert to fraction form
    11,140.89/16,693.76 = 4,111.23/x
  3. Step 3: Cross multiply
    11,140.89x = 16,693.76 × 4,111.23
  4. Step 4: Simplify right side
    11,140.89x = 68,631,866.37
  5. Step 5: Solve for x
    x = 68,631,866.37/11,140.89
  6. Step 6: Final answer
    x = 6,160.36

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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.