Home / 11,126.72-15,353.79-6,090.54

Finding the Fourth Proportional to 11,126.72, 15,353.79 and 6,090.54

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Solution

The fourth proportional to 11,126.72, 15,353.79 and 6,090.54 is: 8,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.72 : 15,353.79 = 6,090.54 : x
  2. Step 2: Convert to fraction form
    11,126.72/15,353.79 = 6,090.54/x
  3. Step 3: Cross multiply
    11,126.72x = 15,353.79 × 6,090.54
  4. Step 4: Simplify right side
    11,126.72x = 93,512,872.15
  5. Step 5: Solve for x
    x = 93,512,872.15/11,126.72
  6. Step 6: Final answer
    x = 8,404.36

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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.