Home / 10,872.63-16,308.42-6,372.19

Finding the Fourth Proportional to 10,872.63, 16,308.42 and 6,372.19

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Solution

The fourth proportional to 10,872.63, 16,308.42 and 6,372.19 is: 9,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.63 : 16,308.42 = 6,372.19 : x
  2. Step 2: Convert to fraction form
    10,872.63/16,308.42 = 6,372.19/x
  3. Step 3: Cross multiply
    10,872.63x = 16,308.42 × 6,372.19
  4. Step 4: Simplify right side
    10,872.63x = 103,920,350.84
  5. Step 5: Solve for x
    x = 103,920,350.84/10,872.63
  6. Step 6: Final answer
    x = 9,557.98

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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.