Home / 11,148.50-16,728.23-4,484.73

Finding the Fourth Proportional to 11,148.50, 16,728.23 and 4,484.73

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Solution

The fourth proportional to 11,148.50, 16,728.23 and 4,484.73 is: 6,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.50 : 16,728.23 = 4,484.73 : x
  2. Step 2: Convert to fraction form
    11,148.50/16,728.23 = 4,484.73/x
  3. Step 3: Cross multiply
    11,148.50x = 16,728.23 × 4,484.73
  4. Step 4: Simplify right side
    11,148.50x = 75,021,594.93
  5. Step 5: Solve for x
    x = 75,021,594.93/11,148.50
  6. Step 6: Final answer
    x = 6,729.30

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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.