Home / 12,974.66-17,867.31-11,272.37

Finding the Fourth Proportional to 12,974.66, 17,867.31 and 11,272.37

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Solution

The fourth proportional to 12,974.66, 17,867.31 and 11,272.37 is: 15,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.66 : 17,867.31 = 11,272.37 : x
  2. Step 2: Convert to fraction form
    12,974.66/17,867.31 = 11,272.37/x
  3. Step 3: Cross multiply
    12,974.66x = 17,867.31 × 11,272.37
  4. Step 4: Simplify right side
    12,974.66x = 201,406,839.89
  5. Step 5: Solve for x
    x = 201,406,839.89/12,974.66
  6. Step 6: Final answer
    x = 15,523.10

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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.