Home / 11,782.26-16,243.34-8,589.24

Finding the Fourth Proportional to 11,782.26, 16,243.34 and 8,589.24

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Solution

The fourth proportional to 11,782.26, 16,243.34 and 8,589.24 is: 11,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.26 : 16,243.34 = 8,589.24 : x
  2. Step 2: Convert to fraction form
    11,782.26/16,243.34 = 8,589.24/x
  3. Step 3: Cross multiply
    11,782.26x = 16,243.34 × 8,589.24
  4. Step 4: Simplify right side
    11,782.26x = 139,517,902.72
  5. Step 5: Solve for x
    x = 139,517,902.72/11,782.26
  6. Step 6: Final answer
    x = 11,841.35

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Half scale
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Double scale
Find fourth proportional to 11,783.26, 16,244.71 and 8,590.24
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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.