Home / 12,203.96-16,836.46-8,226.36

Finding the Fourth Proportional to 12,203.96, 16,836.46 and 8,226.36

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Solution

The fourth proportional to 12,203.96, 16,836.46 and 8,226.36 is: 11,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.96 : 16,836.46 = 8,226.36 : x
  2. Step 2: Convert to fraction form
    12,203.96/16,836.46 = 8,226.36/x
  3. Step 3: Cross multiply
    12,203.96x = 16,836.46 × 8,226.36
  4. Step 4: Simplify right side
    12,203.96x = 138,502,781.09
  5. Step 5: Solve for x
    x = 138,502,781.09/12,203.96
  6. Step 6: Final answer
    x = 11,349.00

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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.