Home / 12,431.09-17,161.25-9,592.08

Finding the Fourth Proportional to 12,431.09, 17,161.25 and 9,592.08

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Solution

The fourth proportional to 12,431.09, 17,161.25 and 9,592.08 is: 13,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431.09 : 17,161.25 = 9,592.08 : x
  2. Step 2: Convert to fraction form
    12,431.09/17,161.25 = 9,592.08/x
  3. Step 3: Cross multiply
    12,431.09x = 17,161.25 × 9,592.08
  4. Step 4: Simplify right side
    12,431.09x = 164,612,034.94
  5. Step 5: Solve for x
    x = 164,612,034.94/12,431.09
  6. Step 6: Final answer
    x = 13,241.97

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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.