Home / 11,879.26-16,391.70-6,574.06

Finding the Fourth Proportional to 11,879.26, 16,391.70 and 6,574.06

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Solution

The fourth proportional to 11,879.26, 16,391.70 and 6,574.06 is: 9,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.26 : 16,391.70 = 6,574.06 : x
  2. Step 2: Convert to fraction form
    11,879.26/16,391.70 = 6,574.06/x
  3. Step 3: Cross multiply
    11,879.26x = 16,391.70 × 6,574.06
  4. Step 4: Simplify right side
    11,879.26x = 107,760,019.30
  5. Step 5: Solve for x
    x = 107,760,019.30/11,879.26
  6. Step 6: Final answer
    x = 9,071.27

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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.