Home / 8,216.37-11,339.01-4,861.11

Finding the Fourth Proportional to 8,216.37, 11,339.01 and 4,861.11

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Solution

The fourth proportional to 8,216.37, 11,339.01 and 4,861.11 is: 6,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.37 : 11,339.01 = 4,861.11 : x
  2. Step 2: Convert to fraction form
    8,216.37/11,339.01 = 4,861.11/x
  3. Step 3: Cross multiply
    8,216.37x = 11,339.01 × 4,861.11
  4. Step 4: Simplify right side
    8,216.37x = 55,120,174.90
  5. Step 5: Solve for x
    x = 55,120,174.90/8,216.37
  6. Step 6: Final answer
    x = 6,708.58

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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.