Home / 10,815.36-16,223.16-3,795.08

Finding the Fourth Proportional to 10,815.36, 16,223.16 and 3,795.08

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Solution

The fourth proportional to 10,815.36, 16,223.16 and 3,795.08 is: 5,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.36 : 16,223.16 = 3,795.08 : x
  2. Step 2: Convert to fraction form
    10,815.36/16,223.16 = 3,795.08/x
  3. Step 3: Cross multiply
    10,815.36x = 16,223.16 × 3,795.08
  4. Step 4: Simplify right side
    10,815.36x = 61,568,190.05
  5. Step 5: Solve for x
    x = 61,568,190.05/10,815.36
  6. Step 6: Final answer
    x = 5,692.66

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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.