Home / 11,879.16-16,393.49-6,574.33

Finding the Fourth Proportional to 11,879.16, 16,393.49 and 6,574.33

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Solution

The fourth proportional to 11,879.16, 16,393.49 and 6,574.33 is: 9,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.16 : 16,393.49 = 6,574.33 : x
  2. Step 2: Convert to fraction form
    11,879.16/16,393.49 = 6,574.33/x
  3. Step 3: Cross multiply
    11,879.16x = 16,393.49 × 6,574.33
  4. Step 4: Simplify right side
    11,879.16x = 107,776,213.11
  5. Step 5: Solve for x
    x = 107,776,213.11/11,879.16
  6. Step 6: Final answer
    x = 9,072.71

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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.