Home / 10,871.03-16,313.40-4,631.04

Finding the Fourth Proportional to 10,871.03, 16,313.40 and 4,631.04

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Solution

The fourth proportional to 10,871.03, 16,313.40 and 4,631.04 is: 6,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.03 : 16,313.40 = 4,631.04 : x
  2. Step 2: Convert to fraction form
    10,871.03/16,313.40 = 4,631.04/x
  3. Step 3: Cross multiply
    10,871.03x = 16,313.40 × 4,631.04
  4. Step 4: Simplify right side
    10,871.03x = 75,548,007.94
  5. Step 5: Solve for x
    x = 75,548,007.94/10,871.03
  6. Step 6: Final answer
    x = 6,949.48

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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.