Home / 11,241.42-16,776.62-9,995.88

Finding the Fourth Proportional to 11,241.42, 16,776.62 and 9,995.88

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Solution

The fourth proportional to 11,241.42, 16,776.62 and 9,995.88 is: 14,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.42 : 16,776.62 = 9,995.88 : x
  2. Step 2: Convert to fraction form
    11,241.42/16,776.62 = 9,995.88/x
  3. Step 3: Cross multiply
    11,241.42x = 16,776.62 × 9,995.88
  4. Step 4: Simplify right side
    11,241.42x = 167,697,080.33
  5. Step 5: Solve for x
    x = 167,697,080.33/11,241.42
  6. Step 6: Final answer
    x = 14,917.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.