Home / 11,216.36-16,840.11-5,673.61

Finding the Fourth Proportional to 11,216.36, 16,840.11 and 5,673.61

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Solution

The fourth proportional to 11,216.36, 16,840.11 and 5,673.61 is: 8,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.36 : 16,840.11 = 5,673.61 : x
  2. Step 2: Convert to fraction form
    11,216.36/16,840.11 = 5,673.61/x
  3. Step 3: Cross multiply
    11,216.36x = 16,840.11 × 5,673.61
  4. Step 4: Simplify right side
    11,216.36x = 95,544,216.50
  5. Step 5: Solve for x
    x = 95,544,216.50/11,216.36
  6. Step 6: Final answer
    x = 8,518.29

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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.