Home / 10,715.87-16,084.16-5,173.11

Finding the Fourth Proportional to 10,715.87, 16,084.16 and 5,173.11

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Solution

The fourth proportional to 10,715.87, 16,084.16 and 5,173.11 is: 7,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.87 : 16,084.16 = 5,173.11 : x
  2. Step 2: Convert to fraction form
    10,715.87/16,084.16 = 5,173.11/x
  3. Step 3: Cross multiply
    10,715.87x = 16,084.16 × 5,173.11
  4. Step 4: Simplify right side
    10,715.87x = 83,205,141.87
  5. Step 5: Solve for x
    x = 83,205,141.87/10,715.87
  6. Step 6: Final answer
    x = 7,764.66

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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.