Home / 11,072.32-16,608-2,752.16

Finding the Fourth Proportional to 11,072.32, 16,608 and 2,752.16

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Solution

The fourth proportional to 11,072.32, 16,608 and 2,752.16 is: 4,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.32 : 16,608 = 2,752.16 : x
  2. Step 2: Convert to fraction form
    11,072.32/16,608 = 2,752.16/x
  3. Step 3: Cross multiply
    11,072.32x = 16,608 × 2,752.16
  4. Step 4: Simplify right side
    11,072.32x = 45,707,873.28
  5. Step 5: Solve for x
    x = 45,707,873.28/11,072.32
  6. Step 6: Final answer
    x = 4,128.12

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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.