Home / 11,814.32-17,724.95-3,494.56

Finding the Fourth Proportional to 11,814.32, 17,724.95 and 3,494.56

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Solution

The fourth proportional to 11,814.32, 17,724.95 and 3,494.56 is: 5,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.32 : 17,724.95 = 3,494.56 : x
  2. Step 2: Convert to fraction form
    11,814.32/17,724.95 = 3,494.56/x
  3. Step 3: Cross multiply
    11,814.32x = 17,724.95 × 3,494.56
  4. Step 4: Simplify right side
    11,814.32x = 61,940,795.17
  5. Step 5: Solve for x
    x = 61,940,795.17/11,814.32
  6. Step 6: Final answer
    x = 5,242.86

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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.