Home / 11,152.32-16,728.48-2,832.96

Finding the Fourth Proportional to 11,152.32, 16,728.48 and 2,832.96

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Solution

The fourth proportional to 11,152.32, 16,728.48 and 2,832.96 is: 4,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.32 : 16,728.48 = 2,832.96 : x
  2. Step 2: Convert to fraction form
    11,152.32/16,728.48 = 2,832.96/x
  3. Step 3: Cross multiply
    11,152.32x = 16,728.48 × 2,832.96
  4. Step 4: Simplify right side
    11,152.32x = 47,391,114.70
  5. Step 5: Solve for x
    x = 47,391,114.70/11,152.32
  6. Step 6: Final answer
    x = 4,249.44

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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.