Home / 11,236.18-16,840.85-5,224.13

Finding the Fourth Proportional to 11,236.18, 16,840.85 and 5,224.13

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Solution

The fourth proportional to 11,236.18, 16,840.85 and 5,224.13 is: 7,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.18 : 16,840.85 = 5,224.13 : x
  2. Step 2: Convert to fraction form
    11,236.18/16,840.85 = 5,224.13/x
  3. Step 3: Cross multiply
    11,236.18x = 16,840.85 × 5,224.13
  4. Step 4: Simplify right side
    11,236.18x = 87,978,679.39
  5. Step 5: Solve for x
    x = 87,978,679.39/11,236.18
  6. Step 6: Final answer
    x = 7,829.95

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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.