Home / 11,973-17,944.50-6,412.56

Finding the Fourth Proportional to 11,973, 17,944.50 and 6,412.56

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Solution

The fourth proportional to 11,973, 17,944.50 and 6,412.56 is: 9,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973 : 17,944.50 = 6,412.56 : x
  2. Step 2: Convert to fraction form
    11,973/17,944.50 = 6,412.56/x
  3. Step 3: Cross multiply
    11,973x = 17,944.50 × 6,412.56
  4. Step 4: Simplify right side
    11,973x = 115,070,182.92
  5. Step 5: Solve for x
    x = 115,070,182.92/11,973
  6. Step 6: Final answer
    x = 9,610.81

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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.