Home / 12,235.11-16,884.51-6,930.96

Finding the Fourth Proportional to 12,235.11, 16,884.51 and 6,930.96

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Solution

The fourth proportional to 12,235.11, 16,884.51 and 6,930.96 is: 9,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.11 : 16,884.51 = 6,930.96 : x
  2. Step 2: Convert to fraction form
    12,235.11/16,884.51 = 6,930.96/x
  3. Step 3: Cross multiply
    12,235.11x = 16,884.51 × 6,930.96
  4. Step 4: Simplify right side
    12,235.11x = 117,025,863.43
  5. Step 5: Solve for x
    x = 117,025,863.43/12,235.11
  6. Step 6: Final answer
    x = 9,564.76

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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.