Home / 11,961.73-16,516.88-10,700.56

Finding the Fourth Proportional to 11,961.73, 16,516.88 and 10,700.56

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Solution

The fourth proportional to 11,961.73, 16,516.88 and 10,700.56 is: 14,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.73 : 16,516.88 = 10,700.56 : x
  2. Step 2: Convert to fraction form
    11,961.73/16,516.88 = 10,700.56/x
  3. Step 3: Cross multiply
    11,961.73x = 16,516.88 × 10,700.56
  4. Step 4: Simplify right side
    11,961.73x = 176,739,865.45
  5. Step 5: Solve for x
    x = 176,739,865.45/11,961.73
  6. Step 6: Final answer
    x = 14,775.44

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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.