Home / 11,926.38-17,889.68-3,606.46

Finding the Fourth Proportional to 11,926.38, 17,889.68 and 3,606.46

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Solution

The fourth proportional to 11,926.38, 17,889.68 and 3,606.46 is: 5,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.38 : 17,889.68 = 3,606.46 : x
  2. Step 2: Convert to fraction form
    11,926.38/17,889.68 = 3,606.46/x
  3. Step 3: Cross multiply
    11,926.38x = 17,889.68 × 3,606.46
  4. Step 4: Simplify right side
    11,926.38x = 64,518,415.33
  5. Step 5: Solve for x
    x = 64,518,415.33/11,926.38
  6. Step 6: Final answer
    x = 5,409.72

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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.