Home / 11,930.63-16,463.05-6,896.47

Finding the Fourth Proportional to 11,930.63, 16,463.05 and 6,896.47

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Solution

The fourth proportional to 11,930.63, 16,463.05 and 6,896.47 is: 9,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.63 : 16,463.05 = 6,896.47 : x
  2. Step 2: Convert to fraction form
    11,930.63/16,463.05 = 6,896.47/x
  3. Step 3: Cross multiply
    11,930.63x = 16,463.05 × 6,896.47
  4. Step 4: Simplify right side
    11,930.63x = 113,536,930.43
  5. Step 5: Solve for x
    x = 113,536,930.43/11,930.63
  6. Step 6: Final answer
    x = 9,516.42

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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.