Home / 8,230.36-11,357.81-4,453.44

Finding the Fourth Proportional to 8,230.36, 11,357.81 and 4,453.44

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Solution

The fourth proportional to 8,230.36, 11,357.81 and 4,453.44 is: 6,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.36 : 11,357.81 = 4,453.44 : x
  2. Step 2: Convert to fraction form
    8,230.36/11,357.81 = 4,453.44/x
  3. Step 3: Cross multiply
    8,230.36x = 11,357.81 × 4,453.44
  4. Step 4: Simplify right side
    8,230.36x = 50,581,336.50
  5. Step 5: Solve for x
    x = 50,581,336.50/8,230.36
  6. Step 6: Final answer
    x = 6,145.70

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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.