Home / 11,135.52-16,687.80-6,197.76

Finding the Fourth Proportional to 11,135.52, 16,687.80 and 6,197.76

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Solution

The fourth proportional to 11,135.52, 16,687.80 and 6,197.76 is: 9,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.52 : 16,687.80 = 6,197.76 : x
  2. Step 2: Convert to fraction form
    11,135.52/16,687.80 = 6,197.76/x
  3. Step 3: Cross multiply
    11,135.52x = 16,687.80 × 6,197.76
  4. Step 4: Simplify right side
    11,135.52x = 103,426,979.33
  5. Step 5: Solve for x
    x = 103,426,979.33/11,135.52
  6. Step 6: Final answer
    x = 9,288.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.