Home / 11,830.91-17,748.99-5,168.48

Finding the Fourth Proportional to 11,830.91, 17,748.99 and 5,168.48

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Solution

The fourth proportional to 11,830.91, 17,748.99 and 5,168.48 is: 7,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.91 : 17,748.99 = 5,168.48 : x
  2. Step 2: Convert to fraction form
    11,830.91/17,748.99 = 5,168.48/x
  3. Step 3: Cross multiply
    11,830.91x = 17,748.99 × 5,168.48
  4. Step 4: Simplify right side
    11,830.91x = 91,735,299.84
  5. Step 5: Solve for x
    x = 91,735,299.84/11,830.91
  6. Step 6: Final answer
    x = 7,753.87

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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.