Home / 11,481.24-15,840.06-7,504.66

Finding the Fourth Proportional to 11,481.24, 15,840.06 and 7,504.66

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Solution

The fourth proportional to 11,481.24, 15,840.06 and 7,504.66 is: 10,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.24 : 15,840.06 = 7,504.66 : x
  2. Step 2: Convert to fraction form
    11,481.24/15,840.06 = 7,504.66/x
  3. Step 3: Cross multiply
    11,481.24x = 15,840.06 × 7,504.66
  4. Step 4: Simplify right side
    11,481.24x = 118,874,264.68
  5. Step 5: Solve for x
    x = 118,874,264.68/11,481.24
  6. Step 6: Final answer
    x = 10,353.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.