Home / 11,177.64-16,682.79-10,993.11

Finding the Fourth Proportional to 11,177.64, 16,682.79 and 10,993.11

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Solution

The fourth proportional to 11,177.64, 16,682.79 and 10,993.11 is: 16,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.64 : 16,682.79 = 10,993.11 : x
  2. Step 2: Convert to fraction form
    11,177.64/16,682.79 = 10,993.11/x
  3. Step 3: Cross multiply
    11,177.64x = 16,682.79 × 10,993.11
  4. Step 4: Simplify right side
    11,177.64x = 183,395,745.58
  5. Step 5: Solve for x
    x = 183,395,745.58/11,177.64
  6. Step 6: Final answer
    x = 16,407.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.