Home / 8,555.95-12,826.19-3,360.43

Finding the Fourth Proportional to 8,555.95, 12,826.19 and 3,360.43

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Solution

The fourth proportional to 8,555.95, 12,826.19 and 3,360.43 is: 5,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.95 : 12,826.19 = 3,360.43 : x
  2. Step 2: Convert to fraction form
    8,555.95/12,826.19 = 3,360.43/x
  3. Step 3: Cross multiply
    8,555.95x = 12,826.19 × 3,360.43
  4. Step 4: Simplify right side
    8,555.95x = 43,101,496.86
  5. Step 5: Solve for x
    x = 43,101,496.86/8,555.95
  6. Step 6: Final answer
    x = 5,037.61

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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.