Home / 12,541.96-17,293.71-7,998.56

Finding the Fourth Proportional to 12,541.96, 17,293.71 and 7,998.56

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Solution

The fourth proportional to 12,541.96, 17,293.71 and 7,998.56 is: 11,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.96 : 17,293.71 = 7,998.56 : x
  2. Step 2: Convert to fraction form
    12,541.96/17,293.71 = 7,998.56/x
  3. Step 3: Cross multiply
    12,541.96x = 17,293.71 × 7,998.56
  4. Step 4: Simplify right side
    12,541.96x = 138,324,777.06
  5. Step 5: Solve for x
    x = 138,324,777.06/12,541.96
  6. Step 6: Final answer
    x = 11,028.96

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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.