Home / 11,935.44-16,472.88-9,942.84

Finding the Fourth Proportional to 11,935.44, 16,472.88 and 9,942.84

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Solution

The fourth proportional to 11,935.44, 16,472.88 and 9,942.84 is: 13,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.44 : 16,472.88 = 9,942.84 : x
  2. Step 2: Convert to fraction form
    11,935.44/16,472.88 = 9,942.84/x
  3. Step 3: Cross multiply
    11,935.44x = 16,472.88 × 9,942.84
  4. Step 4: Simplify right side
    11,935.44x = 163,787,210.18
  5. Step 5: Solve for x
    x = 163,787,210.18/11,935.44
  6. Step 6: Final answer
    x = 13,722.76

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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.