Home / 12,607.22-18,913.87-3,841.61

Finding the Fourth Proportional to 12,607.22, 18,913.87 and 3,841.61

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Solution

The fourth proportional to 12,607.22, 18,913.87 and 3,841.61 is: 5,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.22 : 18,913.87 = 3,841.61 : x
  2. Step 2: Convert to fraction form
    12,607.22/18,913.87 = 3,841.61/x
  3. Step 3: Cross multiply
    12,607.22x = 18,913.87 × 3,841.61
  4. Step 4: Simplify right side
    12,607.22x = 72,659,622.36
  5. Step 5: Solve for x
    x = 72,659,622.36/12,607.22
  6. Step 6: Final answer
    x = 5,763.33

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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.