Home / 8,345.73-12,518.60-3,350.39

Finding the Fourth Proportional to 8,345.73, 12,518.60 and 3,350.39

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Solution

The fourth proportional to 8,345.73, 12,518.60 and 3,350.39 is: 5,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.73 : 12,518.60 = 3,350.39 : x
  2. Step 2: Convert to fraction form
    8,345.73/12,518.60 = 3,350.39/x
  3. Step 3: Cross multiply
    8,345.73x = 12,518.60 × 3,350.39
  4. Step 4: Simplify right side
    8,345.73x = 41,942,166.96
  5. Step 5: Solve for x
    x = 41,942,166.96/8,345.73
  6. Step 6: Final answer
    x = 5,025.58

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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.