Home / 11,102.73-16,662.30-5,259.35

Finding the Fourth Proportional to 11,102.73, 16,662.30 and 5,259.35

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Solution

The fourth proportional to 11,102.73, 16,662.30 and 5,259.35 is: 7,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.73 : 16,662.30 = 5,259.35 : x
  2. Step 2: Convert to fraction form
    11,102.73/16,662.30 = 5,259.35/x
  3. Step 3: Cross multiply
    11,102.73x = 16,662.30 × 5,259.35
  4. Step 4: Simplify right side
    11,102.73x = 87,632,867.51
  5. Step 5: Solve for x
    x = 87,632,867.51/11,102.73
  6. Step 6: Final answer
    x = 7,892.91

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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.