Home / 10,715.25-16,072.87-4,873.53

Finding the Fourth Proportional to 10,715.25, 16,072.87 and 4,873.53

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Solution

The fourth proportional to 10,715.25, 16,072.87 and 4,873.53 is: 7,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.25 : 16,072.87 = 4,873.53 : x
  2. Step 2: Convert to fraction form
    10,715.25/16,072.87 = 4,873.53/x
  3. Step 3: Cross multiply
    10,715.25x = 16,072.87 × 4,873.53
  4. Step 4: Simplify right side
    10,715.25x = 78,331,614.13
  5. Step 5: Solve for x
    x = 78,331,614.13/10,715.25
  6. Step 6: Final answer
    x = 7,310.29

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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.