Home / 12,268.73-16,935.95-8,295.21

Finding the Fourth Proportional to 12,268.73, 16,935.95 and 8,295.21

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Solution

The fourth proportional to 12,268.73, 16,935.95 and 8,295.21 is: 11,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.73 : 16,935.95 = 8,295.21 : x
  2. Step 2: Convert to fraction form
    12,268.73/16,935.95 = 8,295.21/x
  3. Step 3: Cross multiply
    12,268.73x = 16,935.95 × 8,295.21
  4. Step 4: Simplify right side
    12,268.73x = 140,487,282.54
  5. Step 5: Solve for x
    x = 140,487,282.54/12,268.73
  6. Step 6: Final answer
    x = 11,450.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.