Home / 11,305.20-16,968.60-5,764.80

Finding the Fourth Proportional to 11,305.20, 16,968.60 and 5,764.80

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Solution

The fourth proportional to 11,305.20, 16,968.60 and 5,764.80 is: 8,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.20 : 16,968.60 = 5,764.80 : x
  2. Step 2: Convert to fraction form
    11,305.20/16,968.60 = 5,764.80/x
  3. Step 3: Cross multiply
    11,305.20x = 16,968.60 × 5,764.80
  4. Step 4: Simplify right side
    11,305.20x = 97,820,585.28
  5. Step 5: Solve for x
    x = 97,820,585.28/11,305.20
  6. Step 6: Final answer
    x = 8,652.71

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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.