Home / 12,601.43-18,901.37-5,579.39

Finding the Fourth Proportional to 12,601.43, 18,901.37 and 5,579.39

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Solution

The fourth proportional to 12,601.43, 18,901.37 and 5,579.39 is: 8,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.43 : 18,901.37 = 5,579.39 : x
  2. Step 2: Convert to fraction form
    12,601.43/18,901.37 = 5,579.39/x
  3. Step 3: Cross multiply
    12,601.43x = 18,901.37 × 5,579.39
  4. Step 4: Simplify right side
    12,601.43x = 105,458,175.97
  5. Step 5: Solve for x
    x = 105,458,175.97/12,601.43
  6. Step 6: Final answer
    x = 8,368.75

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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.