Home / 11,230.25-16,845.31-2,910.25

Finding the Fourth Proportional to 11,230.25, 16,845.31 and 2,910.25

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Solution

The fourth proportional to 11,230.25, 16,845.31 and 2,910.25 is: 4,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.25 : 16,845.31 = 2,910.25 : x
  2. Step 2: Convert to fraction form
    11,230.25/16,845.31 = 2,910.25/x
  3. Step 3: Cross multiply
    11,230.25x = 16,845.31 × 2,910.25
  4. Step 4: Simplify right side
    11,230.25x = 49,023,971.93
  5. Step 5: Solve for x
    x = 49,023,971.93/11,230.25
  6. Step 6: Final answer
    x = 4,365.35

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1.5x scale

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.