Home / 11,120.42-16,676.58-3,723.12

Finding the Fourth Proportional to 11,120.42, 16,676.58 and 3,723.12

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Solution

The fourth proportional to 11,120.42, 16,676.58 and 3,723.12 is: 5,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.42 : 16,676.58 = 3,723.12 : x
  2. Step 2: Convert to fraction form
    11,120.42/16,676.58 = 3,723.12/x
  3. Step 3: Cross multiply
    11,120.42x = 16,676.58 × 3,723.12
  4. Step 4: Simplify right side
    11,120.42x = 62,088,806.53
  5. Step 5: Solve for x
    x = 62,088,806.53/11,120.42
  6. Step 6: Final answer
    x = 5,583.32

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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.