Home / 11,236.92-16,842.26-8,454.65

Finding the Fourth Proportional to 11,236.92, 16,842.26 and 8,454.65

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Solution

The fourth proportional to 11,236.92, 16,842.26 and 8,454.65 is: 12,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.92 : 16,842.26 = 8,454.65 : x
  2. Step 2: Convert to fraction form
    11,236.92/16,842.26 = 8,454.65/x
  3. Step 3: Cross multiply
    11,236.92x = 16,842.26 × 8,454.65
  4. Step 4: Simplify right side
    11,236.92x = 142,395,413.51
  5. Step 5: Solve for x
    x = 142,395,413.51/11,236.92
  6. Step 6: Final answer
    x = 12,672.10

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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.