Home / 10,871.48-16,310.10-4,631.85

Finding the Fourth Proportional to 10,871.48, 16,310.10 and 4,631.85

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Solution

The fourth proportional to 10,871.48, 16,310.10 and 4,631.85 is: 6,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.48 : 16,310.10 = 4,631.85 : x
  2. Step 2: Convert to fraction form
    10,871.48/16,310.10 = 4,631.85/x
  3. Step 3: Cross multiply
    10,871.48x = 16,310.10 × 4,631.85
  4. Step 4: Simplify right side
    10,871.48x = 75,545,936.69
  5. Step 5: Solve for x
    x = 75,545,936.69/10,871.48
  6. Step 6: Final answer
    x = 6,949.01

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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.