Home / 12,882.06-17,791.28-10,372.48

Finding the Fourth Proportional to 12,882.06, 17,791.28 and 10,372.48

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Solution

The fourth proportional to 12,882.06, 17,791.28 and 10,372.48 is: 14,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.06 : 17,791.28 = 10,372.48 : x
  2. Step 2: Convert to fraction form
    12,882.06/17,791.28 = 10,372.48/x
  3. Step 3: Cross multiply
    12,882.06x = 17,791.28 × 10,372.48
  4. Step 4: Simplify right side
    12,882.06x = 184,539,695.97
  5. Step 5: Solve for x
    x = 184,539,695.97/12,882.06
  6. Step 6: Final answer
    x = 14,325.32

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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.