Home / 10,914.42-16,372.68-4,339.14

Finding the Fourth Proportional to 10,914.42, 16,372.68 and 4,339.14

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Solution

The fourth proportional to 10,914.42, 16,372.68 and 4,339.14 is: 6,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.42 : 16,372.68 = 4,339.14 : x
  2. Step 2: Convert to fraction form
    10,914.42/16,372.68 = 4,339.14/x
  3. Step 3: Cross multiply
    10,914.42x = 16,372.68 × 4,339.14
  4. Step 4: Simplify right side
    10,914.42x = 71,043,350.70
  5. Step 5: Solve for x
    x = 71,043,350.70/10,914.42
  6. Step 6: Final answer
    x = 6,509.13

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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.