Home / 11,906.09-17,867.19-4,887.36

Finding the Fourth Proportional to 11,906.09, 17,867.19 and 4,887.36

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Solution

The fourth proportional to 11,906.09, 17,867.19 and 4,887.36 is: 7,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.09 : 17,867.19 = 4,887.36 : x
  2. Step 2: Convert to fraction form
    11,906.09/17,867.19 = 4,887.36/x
  3. Step 3: Cross multiply
    11,906.09x = 17,867.19 × 4,887.36
  4. Step 4: Simplify right side
    11,906.09x = 87,323,389.72
  5. Step 5: Solve for x
    x = 87,323,389.72/11,906.09
  6. Step 6: Final answer
    x = 7,334.35

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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.