Home / 11,258.73-16,887.62-2,825.21

Finding the Fourth Proportional to 11,258.73, 16,887.62 and 2,825.21

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Solution

The fourth proportional to 11,258.73, 16,887.62 and 2,825.21 is: 4,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.73 : 16,887.62 = 2,825.21 : x
  2. Step 2: Convert to fraction form
    11,258.73/16,887.62 = 2,825.21/x
  3. Step 3: Cross multiply
    11,258.73x = 16,887.62 × 2,825.21
  4. Step 4: Simplify right side
    11,258.73x = 47,711,122.18
  5. Step 5: Solve for x
    x = 47,711,122.18/11,258.73
  6. Step 6: Final answer
    x = 4,237.70

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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.