Home / 8,179.09-12,263.60-3,496.48

Finding the Fourth Proportional to 8,179.09, 12,263.60 and 3,496.48

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Solution

The fourth proportional to 8,179.09, 12,263.60 and 3,496.48 is: 5,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.09 : 12,263.60 = 3,496.48 : x
  2. Step 2: Convert to fraction form
    8,179.09/12,263.60 = 3,496.48/x
  3. Step 3: Cross multiply
    8,179.09x = 12,263.60 × 3,496.48
  4. Step 4: Simplify right side
    8,179.09x = 42,879,410.21
  5. Step 5: Solve for x
    x = 42,879,410.21/8,179.09
  6. Step 6: Final answer
    x = 5,242.57

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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.