Home / 7,496.70-11,236.05-3,111.90

Finding the Fourth Proportional to 7,496.70, 11,236.05 and 3,111.90

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Solution

The fourth proportional to 7,496.70, 11,236.05 and 3,111.90 is: 4,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.70 : 11,236.05 = 3,111.90 : x
  2. Step 2: Convert to fraction form
    7,496.70/11,236.05 = 3,111.90/x
  3. Step 3: Cross multiply
    7,496.70x = 11,236.05 × 3,111.90
  4. Step 4: Simplify right side
    7,496.70x = 34,965,464.00
  5. Step 5: Solve for x
    x = 34,965,464.00/7,496.70
  6. Step 6: Final answer
    x = 4,664.11

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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.