Home / 11,803.50-17,707.13-3,906.30

Finding the Fourth Proportional to 11,803.50, 17,707.13 and 3,906.30

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Solution

The fourth proportional to 11,803.50, 17,707.13 and 3,906.30 is: 5,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.50 : 17,707.13 = 3,906.30 : x
  2. Step 2: Convert to fraction form
    11,803.50/17,707.13 = 3,906.30/x
  3. Step 3: Cross multiply
    11,803.50x = 17,707.13 × 3,906.30
  4. Step 4: Simplify right side
    11,803.50x = 69,169,359.90
  5. Step 5: Solve for x
    x = 69,169,359.90/11,803.50
  6. Step 6: Final answer
    x = 5,860.07

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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.