Home / 12,910.46-19,357.94-4,474.17

Finding the Fourth Proportional to 12,910.46, 19,357.94 and 4,474.17

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Solution

The fourth proportional to 12,910.46, 19,357.94 and 4,474.17 is: 6,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.46 : 19,357.94 = 4,474.17 : x
  2. Step 2: Convert to fraction form
    12,910.46/19,357.94 = 4,474.17/x
  3. Step 3: Cross multiply
    12,910.46x = 19,357.94 × 4,474.17
  4. Step 4: Simplify right side
    12,910.46x = 86,610,725.60
  5. Step 5: Solve for x
    x = 86,610,725.60/12,910.46
  6. Step 6: Final answer
    x = 6,708.57

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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.