Home / 11,892.20-16,395.68-10,231.45

Finding the Fourth Proportional to 11,892.20, 16,395.68 and 10,231.45

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Solution

The fourth proportional to 11,892.20, 16,395.68 and 10,231.45 is: 14,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.20 : 16,395.68 = 10,231.45 : x
  2. Step 2: Convert to fraction form
    11,892.20/16,395.68 = 10,231.45/x
  3. Step 3: Cross multiply
    11,892.20x = 16,395.68 × 10,231.45
  4. Step 4: Simplify right side
    11,892.20x = 167,751,447.00
  5. Step 5: Solve for x
    x = 167,751,447.00/11,892.20
  6. Step 6: Final answer
    x = 14,106.01

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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.