Home / 8,483.24-12,723.09-3,216.43

Finding the Fourth Proportional to 8,483.24, 12,723.09 and 3,216.43

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Solution

The fourth proportional to 8,483.24, 12,723.09 and 3,216.43 is: 4,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.24 : 12,723.09 = 3,216.43 : x
  2. Step 2: Convert to fraction form
    8,483.24/12,723.09 = 3,216.43/x
  3. Step 3: Cross multiply
    8,483.24x = 12,723.09 × 3,216.43
  4. Step 4: Simplify right side
    8,483.24x = 40,922,928.37
  5. Step 5: Solve for x
    x = 40,922,928.37/8,483.24
  6. Step 6: Final answer
    x = 4,823.98

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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.