Home / 8,192.37-12,285.93-3,511.12

Finding the Fourth Proportional to 8,192.37, 12,285.93 and 3,511.12

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Solution

The fourth proportional to 8,192.37, 12,285.93 and 3,511.12 is: 5,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.37 : 12,285.93 = 3,511.12 : x
  2. Step 2: Convert to fraction form
    8,192.37/12,285.93 = 3,511.12/x
  3. Step 3: Cross multiply
    8,192.37x = 12,285.93 × 3,511.12
  4. Step 4: Simplify right side
    8,192.37x = 43,137,394.83
  5. Step 5: Solve for x
    x = 43,137,394.83/8,192.37
  6. Step 6: Final answer
    x = 5,265.56

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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.