Home / 11,724.96-16,175.52-8,186.88

Finding the Fourth Proportional to 11,724.96, 16,175.52 and 8,186.88

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Solution

The fourth proportional to 11,724.96, 16,175.52 and 8,186.88 is: 11,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.96 : 16,175.52 = 8,186.88 : x
  2. Step 2: Convert to fraction form
    11,724.96/16,175.52 = 8,186.88/x
  3. Step 3: Cross multiply
    11,724.96x = 16,175.52 × 8,186.88
  4. Step 4: Simplify right side
    11,724.96x = 132,427,041.18
  5. Step 5: Solve for x
    x = 132,427,041.18/11,724.96
  6. Step 6: Final answer
    x = 11,294.46

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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.