Home / 11,231.72-15,494.77-6,513.27

Finding the Fourth Proportional to 11,231.72, 15,494.77 and 6,513.27

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Solution

The fourth proportional to 11,231.72, 15,494.77 and 6,513.27 is: 8,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.72 : 15,494.77 = 6,513.27 : x
  2. Step 2: Convert to fraction form
    11,231.72/15,494.77 = 6,513.27/x
  3. Step 3: Cross multiply
    11,231.72x = 15,494.77 × 6,513.27
  4. Step 4: Simplify right side
    11,231.72x = 100,921,604.31
  5. Step 5: Solve for x
    x = 100,921,604.31/11,231.72
  6. Step 6: Final answer
    x = 8,985.41

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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.