Home / 11,112.67-16,669.03-4,452.17

Finding the Fourth Proportional to 11,112.67, 16,669.03 and 4,452.17

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Solution

The fourth proportional to 11,112.67, 16,669.03 and 4,452.17 is: 6,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.67 : 16,669.03 = 4,452.17 : x
  2. Step 2: Convert to fraction form
    11,112.67/16,669.03 = 4,452.17/x
  3. Step 3: Cross multiply
    11,112.67x = 16,669.03 × 4,452.17
  4. Step 4: Simplify right side
    11,112.67x = 74,213,355.30
  5. Step 5: Solve for x
    x = 74,213,355.30/11,112.67
  6. Step 6: Final answer
    x = 6,678.27

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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.