Home / 8,140.44-11,234.82-4,603.56

Finding the Fourth Proportional to 8,140.44, 11,234.82 and 4,603.56

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Solution

The fourth proportional to 8,140.44, 11,234.82 and 4,603.56 is: 6,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.44 : 11,234.82 = 4,603.56 : x
  2. Step 2: Convert to fraction form
    8,140.44/11,234.82 = 4,603.56/x
  3. Step 3: Cross multiply
    8,140.44x = 11,234.82 × 4,603.56
  4. Step 4: Simplify right side
    8,140.44x = 51,720,167.96
  5. Step 5: Solve for x
    x = 51,720,167.96/8,140.44
  6. Step 6: Final answer
    x = 6,353.49

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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.