Home / 12,346.97-18,516.07-4,447.37

Finding the Fourth Proportional to 12,346.97, 18,516.07 and 4,447.37

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Solution

The fourth proportional to 12,346.97, 18,516.07 and 4,447.37 is: 6,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.97 : 18,516.07 = 4,447.37 : x
  2. Step 2: Convert to fraction form
    12,346.97/18,516.07 = 4,447.37/x
  3. Step 3: Cross multiply
    12,346.97x = 18,516.07 × 4,447.37
  4. Step 4: Simplify right side
    12,346.97x = 82,347,710.54
  5. Step 5: Solve for x
    x = 82,347,710.54/12,346.97
  6. Step 6: Final answer
    x = 6,669.47

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1.5x scale

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.