Home / 10,872.22-16,299.12-4,303.04

Finding the Fourth Proportional to 10,872.22, 16,299.12 and 4,303.04

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Solution

The fourth proportional to 10,872.22, 16,299.12 and 4,303.04 is: 6,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.22 : 16,299.12 = 4,303.04 : x
  2. Step 2: Convert to fraction form
    10,872.22/16,299.12 = 4,303.04/x
  3. Step 3: Cross multiply
    10,872.22x = 16,299.12 × 4,303.04
  4. Step 4: Simplify right side
    10,872.22x = 70,135,765.32
  5. Step 5: Solve for x
    x = 70,135,765.32/10,872.22
  6. Step 6: Final answer
    x = 6,450.91

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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.