Home / 11,029.20-16,546.50-5,485.16

Finding the Fourth Proportional to 11,029.20, 16,546.50 and 5,485.16

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Solution

The fourth proportional to 11,029.20, 16,546.50 and 5,485.16 is: 8,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.20 : 16,546.50 = 5,485.16 : x
  2. Step 2: Convert to fraction form
    11,029.20/16,546.50 = 5,485.16/x
  3. Step 3: Cross multiply
    11,029.20x = 16,546.50 × 5,485.16
  4. Step 4: Simplify right side
    11,029.20x = 90,760,199.94
  5. Step 5: Solve for x
    x = 90,760,199.94/11,029.20
  6. Step 6: Final answer
    x = 8,229.08

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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.