Home / 10,669.20-16,003.80-3,273.60

Finding the Fourth Proportional to 10,669.20, 16,003.80 and 3,273.60

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Solution

The fourth proportional to 10,669.20, 16,003.80 and 3,273.60 is: 4,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.20 : 16,003.80 = 3,273.60 : x
  2. Step 2: Convert to fraction form
    10,669.20/16,003.80 = 3,273.60/x
  3. Step 3: Cross multiply
    10,669.20x = 16,003.80 × 3,273.60
  4. Step 4: Simplify right side
    10,669.20x = 52,390,039.68
  5. Step 5: Solve for x
    x = 52,390,039.68/10,669.20
  6. Step 6: Final answer
    x = 4,910.40

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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.