Home / 12,088.28-18,131.06-3,768.56

Finding the Fourth Proportional to 12,088.28, 18,131.06 and 3,768.56

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Solution

The fourth proportional to 12,088.28, 18,131.06 and 3,768.56 is: 5,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.28 : 18,131.06 = 3,768.56 : x
  2. Step 2: Convert to fraction form
    12,088.28/18,131.06 = 3,768.56/x
  3. Step 3: Cross multiply
    12,088.28x = 18,131.06 × 3,768.56
  4. Step 4: Simplify right side
    12,088.28x = 68,327,987.47
  5. Step 5: Solve for x
    x = 68,327,987.47/12,088.28
  6. Step 6: Final answer
    x = 5,652.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.