Home / 11,040.51-15,241.53-8,516.95

Finding the Fourth Proportional to 11,040.51, 15,241.53 and 8,516.95

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Solution

The fourth proportional to 11,040.51, 15,241.53 and 8,516.95 is: 11,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.51 : 15,241.53 = 8,516.95 : x
  2. Step 2: Convert to fraction form
    11,040.51/15,241.53 = 8,516.95/x
  3. Step 3: Cross multiply
    11,040.51x = 15,241.53 × 8,516.95
  4. Step 4: Simplify right side
    11,040.51x = 129,811,348.93
  5. Step 5: Solve for x
    x = 129,811,348.93/11,040.51
  6. Step 6: Final answer
    x = 11,757.73

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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.