Home / 11,149.50-16,729.73-4,485.73

Finding the Fourth Proportional to 11,149.50, 16,729.73 and 4,485.73

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Solution

The fourth proportional to 11,149.50, 16,729.73 and 4,485.73 is: 6,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.50 : 16,729.73 = 4,485.73 : x
  2. Step 2: Convert to fraction form
    11,149.50/16,729.73 = 4,485.73/x
  3. Step 3: Cross multiply
    11,149.50x = 16,729.73 × 4,485.73
  4. Step 4: Simplify right side
    11,149.50x = 75,045,051.75
  5. Step 5: Solve for x
    x = 75,045,051.75/11,149.50
  6. Step 6: Final answer
    x = 6,730.80

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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.