Home / 12,226.10-16,872.10-6,637.10

Finding the Fourth Proportional to 12,226.10, 16,872.10 and 6,637.10

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Solution

The fourth proportional to 12,226.10, 16,872.10 and 6,637.10 is: 9,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.10 : 16,872.10 = 6,637.10 : x
  2. Step 2: Convert to fraction form
    12,226.10/16,872.10 = 6,637.10/x
  3. Step 3: Cross multiply
    12,226.10x = 16,872.10 × 6,637.10
  4. Step 4: Simplify right side
    12,226.10x = 111,981,713.96
  5. Step 5: Solve for x
    x = 111,981,713.96/12,226.10
  6. Step 6: Final answer
    x = 9,159.24

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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.