Home / 11,710.25-17,562.07-4,212.71

Finding the Fourth Proportional to 11,710.25, 17,562.07 and 4,212.71

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Solution

The fourth proportional to 11,710.25, 17,562.07 and 4,212.71 is: 6,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.25 : 17,562.07 = 4,212.71 : x
  2. Step 2: Convert to fraction form
    11,710.25/17,562.07 = 4,212.71/x
  3. Step 3: Cross multiply
    11,710.25x = 17,562.07 × 4,212.71
  4. Step 4: Simplify right side
    11,710.25x = 73,983,867.53
  5. Step 5: Solve for x
    x = 73,983,867.53/11,710.25
  6. Step 6: Final answer
    x = 6,317.87

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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.