Home / 11,007.20-16,521.60-5,466.80

Finding the Fourth Proportional to 11,007.20, 16,521.60 and 5,466.80

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Solution

The fourth proportional to 11,007.20, 16,521.60 and 5,466.80 is: 8,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.20 : 16,521.60 = 5,466.80 : x
  2. Step 2: Convert to fraction form
    11,007.20/16,521.60 = 5,466.80/x
  3. Step 3: Cross multiply
    11,007.20x = 16,521.60 × 5,466.80
  4. Step 4: Simplify right side
    11,007.20x = 90,320,282.88
  5. Step 5: Solve for x
    x = 90,320,282.88/11,007.20
  6. Step 6: Final answer
    x = 8,205.56

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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.