Home / 10,022.75-15,029.77-4,759.28

Finding the Fourth Proportional to 10,022.75, 15,029.77 and 4,759.28

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Solution

The fourth proportional to 10,022.75, 15,029.77 and 4,759.28 is: 7,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.75 : 15,029.77 = 4,759.28 : x
  2. Step 2: Convert to fraction form
    10,022.75/15,029.77 = 4,759.28/x
  3. Step 3: Cross multiply
    10,022.75x = 15,029.77 × 4,759.28
  4. Step 4: Simplify right side
    10,022.75x = 71,530,883.77
  5. Step 5: Solve for x
    x = 71,530,883.77/10,022.75
  6. Step 6: Final answer
    x = 7,136.85

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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.