Home / 11,282.36-16,917.66-6,603.39

Finding the Fourth Proportional to 11,282.36, 16,917.66 and 6,603.39

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Solution

The fourth proportional to 11,282.36, 16,917.66 and 6,603.39 is: 9,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.36 : 16,917.66 = 6,603.39 : x
  2. Step 2: Convert to fraction form
    11,282.36/16,917.66 = 6,603.39/x
  3. Step 3: Cross multiply
    11,282.36x = 16,917.66 × 6,603.39
  4. Step 4: Simplify right side
    11,282.36x = 111,713,906.87
  5. Step 5: Solve for x
    x = 111,713,906.87/11,282.36
  6. Step 6: Final answer
    x = 9,901.65

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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.