Home / 11,171.88-15,417.22-6,135.30

Finding the Fourth Proportional to 11,171.88, 15,417.22 and 6,135.30

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Solution

The fourth proportional to 11,171.88, 15,417.22 and 6,135.30 is: 8,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.88 : 15,417.22 = 6,135.30 : x
  2. Step 2: Convert to fraction form
    11,171.88/15,417.22 = 6,135.30/x
  3. Step 3: Cross multiply
    11,171.88x = 15,417.22 × 6,135.30
  4. Step 4: Simplify right side
    11,171.88x = 94,589,269.87
  5. Step 5: Solve for x
    x = 94,589,269.87/11,171.88
  6. Step 6: Final answer
    x = 8,466.73

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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.