Home / 11,116.78-16,676.02-3,721.26

Finding the Fourth Proportional to 11,116.78, 16,676.02 and 3,721.26

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Solution

The fourth proportional to 11,116.78, 16,676.02 and 3,721.26 is: 5,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.78 : 16,676.02 = 3,721.26 : x
  2. Step 2: Convert to fraction form
    11,116.78/16,676.02 = 3,721.26/x
  3. Step 3: Cross multiply
    11,116.78x = 16,676.02 × 3,721.26
  4. Step 4: Simplify right side
    11,116.78x = 62,055,806.19
  5. Step 5: Solve for x
    x = 62,055,806.19/11,116.78
  6. Step 6: Final answer
    x = 5,582.17

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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.