Home / 7,481.31-11,224.16-2,216.46

Finding the Fourth Proportional to 7,481.31, 11,224.16 and 2,216.46

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Solution

The fourth proportional to 7,481.31, 11,224.16 and 2,216.46 is: 3,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.31 : 11,224.16 = 2,216.46 : x
  2. Step 2: Convert to fraction form
    7,481.31/11,224.16 = 2,216.46/x
  3. Step 3: Cross multiply
    7,481.31x = 11,224.16 × 2,216.46
  4. Step 4: Simplify right side
    7,481.31x = 24,877,901.67
  5. Step 5: Solve for x
    x = 24,877,901.67/7,481.31
  6. Step 6: Final answer
    x = 3,325.34

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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.