Home / 11,174.58-15,420.22-6,137.82

Finding the Fourth Proportional to 11,174.58, 15,420.22 and 6,137.82

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Solution

The fourth proportional to 11,174.58, 15,420.22 and 6,137.82 is: 8,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.58 : 15,420.22 = 6,137.82 : x
  2. Step 2: Convert to fraction form
    11,174.58/15,420.22 = 6,137.82/x
  3. Step 3: Cross multiply
    11,174.58x = 15,420.22 × 6,137.82
  4. Step 4: Simplify right side
    11,174.58x = 94,646,534.72
  5. Step 5: Solve for x
    x = 94,646,534.72/11,174.58
  6. Step 6: Final answer
    x = 8,469.81

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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.