Home / 12,194-16,827.72-7,226.96

Finding the Fourth Proportional to 12,194, 16,827.72 and 7,226.96

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Solution

The fourth proportional to 12,194, 16,827.72 and 7,226.96 is: 9,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194 : 16,827.72 = 7,226.96 : x
  2. Step 2: Convert to fraction form
    12,194/16,827.72 = 7,226.96/x
  3. Step 3: Cross multiply
    12,194x = 16,827.72 × 7,226.96
  4. Step 4: Simplify right side
    12,194x = 121,613,259.33
  5. Step 5: Solve for x
    x = 121,613,259.33/12,194
  6. Step 6: Final answer
    x = 9,973.20

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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.