Home / 11,006.20-16,520.10-5,465.80

Finding the Fourth Proportional to 11,006.20, 16,520.10 and 5,465.80

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Solution

The fourth proportional to 11,006.20, 16,520.10 and 5,465.80 is: 8,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.20 : 16,520.10 = 5,465.80 : x
  2. Step 2: Convert to fraction form
    11,006.20/16,520.10 = 5,465.80/x
  3. Step 3: Cross multiply
    11,006.20x = 16,520.10 × 5,465.80
  4. Step 4: Simplify right side
    11,006.20x = 90,295,562.58
  5. Step 5: Solve for x
    x = 90,295,562.58/11,006.20
  6. Step 6: Final answer
    x = 8,204.06

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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.