Home / 10,857.21-16,286.13-3,066.03

Finding the Fourth Proportional to 10,857.21, 16,286.13 and 3,066.03

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Solution

The fourth proportional to 10,857.21, 16,286.13 and 3,066.03 is: 4,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.21 : 16,286.13 = 3,066.03 : x
  2. Step 2: Convert to fraction form
    10,857.21/16,286.13 = 3,066.03/x
  3. Step 3: Cross multiply
    10,857.21x = 16,286.13 × 3,066.03
  4. Step 4: Simplify right side
    10,857.21x = 49,933,763.16
  5. Step 5: Solve for x
    x = 49,933,763.16/10,857.21
  6. Step 6: Final answer
    x = 4,599.13

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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.