Home / 10,755.72-16,129.52-4,181.08

Finding the Fourth Proportional to 10,755.72, 16,129.52 and 4,181.08

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Solution

The fourth proportional to 10,755.72, 16,129.52 and 4,181.08 is: 6,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.72 : 16,129.52 = 4,181.08 : x
  2. Step 2: Convert to fraction form
    10,755.72/16,129.52 = 4,181.08/x
  3. Step 3: Cross multiply
    10,755.72x = 16,129.52 × 4,181.08
  4. Step 4: Simplify right side
    10,755.72x = 67,438,813.48
  5. Step 5: Solve for x
    x = 67,438,813.48/10,755.72
  6. Step 6: Final answer
    x = 6,270.04

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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.