Home / 12,591.36-18,884.52-3,826.08

Finding the Fourth Proportional to 12,591.36, 18,884.52 and 3,826.08

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Solution

The fourth proportional to 12,591.36, 18,884.52 and 3,826.08 is: 5,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.36 : 18,884.52 = 3,826.08 : x
  2. Step 2: Convert to fraction form
    12,591.36/18,884.52 = 3,826.08/x
  3. Step 3: Cross multiply
    12,591.36x = 18,884.52 × 3,826.08
  4. Step 4: Simplify right side
    12,591.36x = 72,253,684.28
  5. Step 5: Solve for x
    x = 72,253,684.28/12,591.36
  6. Step 6: Final answer
    x = 5,738.35

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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.