Home / 10,711.23-16,072.91-4,137.87

Finding the Fourth Proportional to 10,711.23, 16,072.91 and 4,137.87

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Solution

The fourth proportional to 10,711.23, 16,072.91 and 4,137.87 is: 6,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.23 : 16,072.91 = 4,137.87 : x
  2. Step 2: Convert to fraction form
    10,711.23/16,072.91 = 4,137.87/x
  3. Step 3: Cross multiply
    10,711.23x = 16,072.91 × 4,137.87
  4. Step 4: Simplify right side
    10,711.23x = 66,507,612.10
  5. Step 5: Solve for x
    x = 66,507,612.10/10,711.23
  6. Step 6: Final answer
    x = 6,209.15

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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.