Home / 10,057.99-15,086.85-3,817.75

Finding the Fourth Proportional to 10,057.99, 15,086.85 and 3,817.75

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Solution

The fourth proportional to 10,057.99, 15,086.85 and 3,817.75 is: 5,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.99 : 15,086.85 = 3,817.75 : x
  2. Step 2: Convert to fraction form
    10,057.99/15,086.85 = 3,817.75/x
  3. Step 3: Cross multiply
    10,057.99x = 15,086.85 × 3,817.75
  4. Step 4: Simplify right side
    10,057.99x = 57,597,821.59
  5. Step 5: Solve for x
    x = 57,597,821.59/10,057.99
  6. Step 6: Final answer
    x = 5,726.57

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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.