Home / 11,701.56-16,115.64-11,665.92

Finding the Fourth Proportional to 11,701.56, 16,115.64 and 11,665.92

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Solution

The fourth proportional to 11,701.56, 16,115.64 and 11,665.92 is: 16,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.56 : 16,115.64 = 11,665.92 : x
  2. Step 2: Convert to fraction form
    11,701.56/16,115.64 = 11,665.92/x
  3. Step 3: Cross multiply
    11,701.56x = 16,115.64 × 11,665.92
  4. Step 4: Simplify right side
    11,701.56x = 188,003,766.99
  5. Step 5: Solve for x
    x = 188,003,766.99/11,701.56
  6. Step 6: Final answer
    x = 16,066.56

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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.