Home / 10,771.39-16,156.99-5,872.16

Finding the Fourth Proportional to 10,771.39, 16,156.99 and 5,872.16

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Solution

The fourth proportional to 10,771.39, 16,156.99 and 5,872.16 is: 8,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.39 : 16,156.99 = 5,872.16 : x
  2. Step 2: Convert to fraction form
    10,771.39/16,156.99 = 5,872.16/x
  3. Step 3: Cross multiply
    10,771.39x = 16,156.99 × 5,872.16
  4. Step 4: Simplify right side
    10,771.39x = 94,876,320.25
  5. Step 5: Solve for x
    x = 94,876,320.25/10,771.39
  6. Step 6: Final answer
    x = 8,808.18

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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.