Home / 11,963.11-16,505.76-7,181.77

Finding the Fourth Proportional to 11,963.11, 16,505.76 and 7,181.77

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Solution

The fourth proportional to 11,963.11, 16,505.76 and 7,181.77 is: 9,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.11 : 16,505.76 = 7,181.77 : x
  2. Step 2: Convert to fraction form
    11,963.11/16,505.76 = 7,181.77/x
  3. Step 3: Cross multiply
    11,963.11x = 16,505.76 × 7,181.77
  4. Step 4: Simplify right side
    11,963.11x = 118,540,572.00
  5. Step 5: Solve for x
    x = 118,540,572.00/11,963.11
  6. Step 6: Final answer
    x = 9,908.84

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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.