Home / 11,231.89-15,500.24-6,516.48

Finding the Fourth Proportional to 11,231.89, 15,500.24 and 6,516.48

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Solution

The fourth proportional to 11,231.89, 15,500.24 and 6,516.48 is: 8,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.89 : 15,500.24 = 6,516.48 : x
  2. Step 2: Convert to fraction form
    11,231.89/15,500.24 = 6,516.48/x
  3. Step 3: Cross multiply
    11,231.89x = 15,500.24 × 6,516.48
  4. Step 4: Simplify right side
    11,231.89x = 101,006,893.87
  5. Step 5: Solve for x
    x = 101,006,893.87/11,231.89
  6. Step 6: Final answer
    x = 8,992.87

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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.