Home / 11,236.95-16,855.70-2,917.31

Finding the Fourth Proportional to 11,236.95, 16,855.70 and 2,917.31

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Solution

The fourth proportional to 11,236.95, 16,855.70 and 2,917.31 is: 4,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.95 : 16,855.70 = 2,917.31 : x
  2. Step 2: Convert to fraction form
    11,236.95/16,855.70 = 2,917.31/x
  3. Step 3: Cross multiply
    11,236.95x = 16,855.70 × 2,917.31
  4. Step 4: Simplify right side
    11,236.95x = 49,173,203.30
  5. Step 5: Solve for x
    x = 49,173,203.30/11,236.95
  6. Step 6: Final answer
    x = 4,376.03

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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.