Home / 11,961.23-16,508.54-7,486.79

Finding the Fourth Proportional to 11,961.23, 16,508.54 and 7,486.79

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Solution

The fourth proportional to 11,961.23, 16,508.54 and 7,486.79 is: 10,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.23 : 16,508.54 = 7,486.79 : x
  2. Step 2: Convert to fraction form
    11,961.23/16,508.54 = 7,486.79/x
  3. Step 3: Cross multiply
    11,961.23x = 16,508.54 × 7,486.79
  4. Step 4: Simplify right side
    11,961.23x = 123,595,908.36
  5. Step 5: Solve for x
    x = 123,595,908.36/11,961.23
  6. Step 6: Final answer
    x = 10,333.05

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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.