Home / 8,622.08-12,933.40-2,382.56

Finding the Fourth Proportional to 8,622.08, 12,933.40 and 2,382.56

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Solution

The fourth proportional to 8,622.08, 12,933.40 and 2,382.56 is: 3,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.08 : 12,933.40 = 2,382.56 : x
  2. Step 2: Convert to fraction form
    8,622.08/12,933.40 = 2,382.56/x
  3. Step 3: Cross multiply
    8,622.08x = 12,933.40 × 2,382.56
  4. Step 4: Simplify right side
    8,622.08x = 30,814,601.50
  5. Step 5: Solve for x
    x = 30,814,601.50/8,622.08
  6. Step 6: Final answer
    x = 3,573.92

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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.