Home / 11,529.14-15,910.50-6,493.55

Finding the Fourth Proportional to 11,529.14, 15,910.50 and 6,493.55

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Solution

The fourth proportional to 11,529.14, 15,910.50 and 6,493.55 is: 8,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.14 : 15,910.50 = 6,493.55 : x
  2. Step 2: Convert to fraction form
    11,529.14/15,910.50 = 6,493.55/x
  3. Step 3: Cross multiply
    11,529.14x = 15,910.50 × 6,493.55
  4. Step 4: Simplify right side
    11,529.14x = 103,315,627.28
  5. Step 5: Solve for x
    x = 103,315,627.28/11,529.14
  6. Step 6: Final answer
    x = 8,961.26

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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.