Home / 11,226.70-16,790.01-8,422.48

Finding the Fourth Proportional to 11,226.70, 16,790.01 and 8,422.48

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Solution

The fourth proportional to 11,226.70, 16,790.01 and 8,422.48 is: 12,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.70 : 16,790.01 = 8,422.48 : x
  2. Step 2: Convert to fraction form
    11,226.70/16,790.01 = 8,422.48/x
  3. Step 3: Cross multiply
    11,226.70x = 16,790.01 × 8,422.48
  4. Step 4: Simplify right side
    11,226.70x = 141,413,523.42
  5. Step 5: Solve for x
    x = 141,413,523.42/11,226.70
  6. Step 6: Final answer
    x = 12,596.18

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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.