Home / 11,175.92-16,749.72-10,885.20

Finding the Fourth Proportional to 11,175.92, 16,749.72 and 10,885.20

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Solution

The fourth proportional to 11,175.92, 16,749.72 and 10,885.20 is: 16,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.92 : 16,749.72 = 10,885.20 : x
  2. Step 2: Convert to fraction form
    11,175.92/16,749.72 = 10,885.20/x
  3. Step 3: Cross multiply
    11,175.92x = 16,749.72 × 10,885.20
  4. Step 4: Simplify right side
    11,175.92x = 182,324,052.14
  5. Step 5: Solve for x
    x = 182,324,052.14/11,175.92
  6. Step 6: Final answer
    x = 16,314.01

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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.