Home / 11,102.36-16,661.75-5,258.97

Finding the Fourth Proportional to 11,102.36, 16,661.75 and 5,258.97

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Solution

The fourth proportional to 11,102.36, 16,661.75 and 5,258.97 is: 7,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.36 : 16,661.75 = 5,258.97 : x
  2. Step 2: Convert to fraction form
    11,102.36/16,661.75 = 5,258.97/x
  3. Step 3: Cross multiply
    11,102.36x = 16,661.75 × 5,258.97
  4. Step 4: Simplify right side
    11,102.36x = 87,623,617.10
  5. Step 5: Solve for x
    x = 87,623,617.10/11,102.36
  6. Step 6: Final answer
    x = 7,892.35

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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.