Home / 11,559.66-15,958.23-8,016.72

Finding the Fourth Proportional to 11,559.66, 15,958.23 and 8,016.72

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Solution

The fourth proportional to 11,559.66, 15,958.23 and 8,016.72 is: 11,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.66 : 15,958.23 = 8,016.72 : x
  2. Step 2: Convert to fraction form
    11,559.66/15,958.23 = 8,016.72/x
  3. Step 3: Cross multiply
    11,559.66x = 15,958.23 × 8,016.72
  4. Step 4: Simplify right side
    11,559.66x = 127,932,661.61
  5. Step 5: Solve for x
    x = 127,932,661.61/11,559.66
  6. Step 6: Final answer
    x = 11,067.16

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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.