Home / 11,628.28-17,444.04-4,231.36

Finding the Fourth Proportional to 11,628.28, 17,444.04 and 4,231.36

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Solution

The fourth proportional to 11,628.28, 17,444.04 and 4,231.36 is: 6,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.28 : 17,444.04 = 4,231.36 : x
  2. Step 2: Convert to fraction form
    11,628.28/17,444.04 = 4,231.36/x
  3. Step 3: Cross multiply
    11,628.28x = 17,444.04 × 4,231.36
  4. Step 4: Simplify right side
    11,628.28x = 73,812,013.09
  5. Step 5: Solve for x
    x = 73,812,013.09/11,628.28
  6. Step 6: Final answer
    x = 6,347.63

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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.