Home / 11,185.52-15,436.68-6,471.44

Finding the Fourth Proportional to 11,185.52, 15,436.68 and 6,471.44

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Solution

The fourth proportional to 11,185.52, 15,436.68 and 6,471.44 is: 8,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.52 : 15,436.68 = 6,471.44 : x
  2. Step 2: Convert to fraction form
    11,185.52/15,436.68 = 6,471.44/x
  3. Step 3: Cross multiply
    11,185.52x = 15,436.68 × 6,471.44
  4. Step 4: Simplify right side
    11,185.52x = 99,897,548.42
  5. Step 5: Solve for x
    x = 99,897,548.42/11,185.52
  6. Step 6: Final answer
    x = 8,930.97

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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.