Home / 10,765.82-16,149.36-2,868.14

Finding the Fourth Proportional to 10,765.82, 16,149.36 and 2,868.14

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Solution

The fourth proportional to 10,765.82, 16,149.36 and 2,868.14 is: 4,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.82 : 16,149.36 = 2,868.14 : x
  2. Step 2: Convert to fraction form
    10,765.82/16,149.36 = 2,868.14/x
  3. Step 3: Cross multiply
    10,765.82x = 16,149.36 × 2,868.14
  4. Step 4: Simplify right side
    10,765.82x = 46,318,625.39
  5. Step 5: Solve for x
    x = 46,318,625.39/10,765.82
  6. Step 6: Final answer
    x = 4,302.38

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1.5x scale

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.