Home / 11,013.35-15,197.96-5,977.38

Finding the Fourth Proportional to 11,013.35, 15,197.96 and 5,977.38

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Solution

The fourth proportional to 11,013.35, 15,197.96 and 5,977.38 is: 8,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.35 : 15,197.96 = 5,977.38 : x
  2. Step 2: Convert to fraction form
    11,013.35/15,197.96 = 5,977.38/x
  3. Step 3: Cross multiply
    11,013.35x = 15,197.96 × 5,977.38
  4. Step 4: Simplify right side
    11,013.35x = 90,843,997.09
  5. Step 5: Solve for x
    x = 90,843,997.09/11,013.35
  6. Step 6: Final answer
    x = 8,248.54

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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.