Home / 11,029.91-16,530.89-5,173.61

Finding the Fourth Proportional to 11,029.91, 16,530.89 and 5,173.61

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Solution

The fourth proportional to 11,029.91, 16,530.89 and 5,173.61 is: 7,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.91 : 16,530.89 = 5,173.61 : x
  2. Step 2: Convert to fraction form
    11,029.91/16,530.89 = 5,173.61/x
  3. Step 3: Cross multiply
    11,029.91x = 16,530.89 × 5,173.61
  4. Step 4: Simplify right side
    11,029.91x = 85,524,269.29
  5. Step 5: Solve for x
    x = 85,524,269.29/11,029.91
  6. Step 6: Final answer
    x = 7,753.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.