Home / 11,216.70-16,825.71-5,663.55

Finding the Fourth Proportional to 11,216.70, 16,825.71 and 5,663.55

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Solution

The fourth proportional to 11,216.70, 16,825.71 and 5,663.55 is: 8,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.70 : 16,825.71 = 5,663.55 : x
  2. Step 2: Convert to fraction form
    11,216.70/16,825.71 = 5,663.55/x
  3. Step 3: Cross multiply
    11,216.70x = 16,825.71 × 5,663.55
  4. Step 4: Simplify right side
    11,216.70x = 95,293,249.87
  5. Step 5: Solve for x
    x = 95,293,249.87/11,216.70
  6. Step 6: Final answer
    x = 8,495.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.