Home / 10,914.99-16,382.21-5,074.89

Finding the Fourth Proportional to 10,914.99, 16,382.21 and 5,074.89

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Solution

The fourth proportional to 10,914.99, 16,382.21 and 5,074.89 is: 7,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.99 : 16,382.21 = 5,074.89 : x
  2. Step 2: Convert to fraction form
    10,914.99/16,382.21 = 5,074.89/x
  3. Step 3: Cross multiply
    10,914.99x = 16,382.21 × 5,074.89
  4. Step 4: Simplify right side
    10,914.99x = 83,137,888.33
  5. Step 5: Solve for x
    x = 83,137,888.33/10,914.99
  6. Step 6: Final answer
    x = 7,616.85

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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.