Home / 10,872.08-16,286.24-8,244.08

Finding the Fourth Proportional to 10,872.08, 16,286.24 and 8,244.08

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Solution

The fourth proportional to 10,872.08, 16,286.24 and 8,244.08 is: 12,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.08 : 16,286.24 = 8,244.08 : x
  2. Step 2: Convert to fraction form
    10,872.08/16,286.24 = 8,244.08/x
  3. Step 3: Cross multiply
    10,872.08x = 16,286.24 × 8,244.08
  4. Step 4: Simplify right side
    10,872.08x = 134,265,065.46
  5. Step 5: Solve for x
    x = 134,265,065.46/10,872.08
  6. Step 6: Final answer
    x = 12,349.53

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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.