Home / 11,889.41-17,832.77-3,125.01

Finding the Fourth Proportional to 11,889.41, 17,832.77 and 3,125.01

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Solution

The fourth proportional to 11,889.41, 17,832.77 and 3,125.01 is: 4,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.41 : 17,832.77 = 3,125.01 : x
  2. Step 2: Convert to fraction form
    11,889.41/17,832.77 = 3,125.01/x
  3. Step 3: Cross multiply
    11,889.41x = 17,832.77 × 3,125.01
  4. Step 4: Simplify right side
    11,889.41x = 55,727,568.95
  5. Step 5: Solve for x
    x = 55,727,568.95/11,889.41
  6. Step 6: Final answer
    x = 4,687.16

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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.