Home / 12,025.45-18,037.77-5,447.04

Finding the Fourth Proportional to 12,025.45, 18,037.77 and 5,447.04

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Solution

The fourth proportional to 12,025.45, 18,037.77 and 5,447.04 is: 8,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.45 : 18,037.77 = 5,447.04 : x
  2. Step 2: Convert to fraction form
    12,025.45/18,037.77 = 5,447.04/x
  3. Step 3: Cross multiply
    12,025.45x = 18,037.77 × 5,447.04
  4. Step 4: Simplify right side
    12,025.45x = 98,252,454.70
  5. Step 5: Solve for x
    x = 98,252,454.70/12,025.45
  6. Step 6: Final answer
    x = 8,170.38

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1.5x scale

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.