Home / 11,682.18-16,123.32-6,969.24

Finding the Fourth Proportional to 11,682.18, 16,123.32 and 6,969.24

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Solution

The fourth proportional to 11,682.18, 16,123.32 and 6,969.24 is: 9,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.18 : 16,123.32 = 6,969.24 : x
  2. Step 2: Convert to fraction form
    11,682.18/16,123.32 = 6,969.24/x
  3. Step 3: Cross multiply
    11,682.18x = 16,123.32 × 6,969.24
  4. Step 4: Simplify right side
    11,682.18x = 112,367,286.68
  5. Step 5: Solve for x
    x = 112,367,286.68/11,682.18
  6. Step 6: Final answer
    x = 9,618.69

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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.