Home / 11,029.46-16,530.50-5,173.76

Finding the Fourth Proportional to 11,029.46, 16,530.50 and 5,173.76

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Solution

The fourth proportional to 11,029.46, 16,530.50 and 5,173.76 is: 7,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.46 : 16,530.50 = 5,173.76 : x
  2. Step 2: Convert to fraction form
    11,029.46/16,530.50 = 5,173.76/x
  3. Step 3: Cross multiply
    11,029.46x = 16,530.50 × 5,173.76
  4. Step 4: Simplify right side
    11,029.46x = 85,524,731.16
  5. Step 5: Solve for x
    x = 85,524,731.16/11,029.46
  6. Step 6: Final answer
    x = 7,754.21

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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.