Home / 11,723.09-17,580.56-3,400.88

Finding the Fourth Proportional to 11,723.09, 17,580.56 and 3,400.88

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Solution

The fourth proportional to 11,723.09, 17,580.56 and 3,400.88 is: 5,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.09 : 17,580.56 = 3,400.88 : x
  2. Step 2: Convert to fraction form
    11,723.09/17,580.56 = 3,400.88/x
  3. Step 3: Cross multiply
    11,723.09x = 17,580.56 × 3,400.88
  4. Step 4: Simplify right side
    11,723.09x = 59,789,269.99
  5. Step 5: Solve for x
    x = 59,789,269.99/11,723.09
  6. Step 6: Final answer
    x = 5,100.13

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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.