Home / 8,090.16-12,135.32-2,246.80

Finding the Fourth Proportional to 8,090.16, 12,135.32 and 2,246.80

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Solution

The fourth proportional to 8,090.16, 12,135.32 and 2,246.80 is: 3,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.16 : 12,135.32 = 2,246.80 : x
  2. Step 2: Convert to fraction form
    8,090.16/12,135.32 = 2,246.80/x
  3. Step 3: Cross multiply
    8,090.16x = 12,135.32 × 2,246.80
  4. Step 4: Simplify right side
    8,090.16x = 27,265,636.98
  5. Step 5: Solve for x
    x = 27,265,636.98/8,090.16
  6. Step 6: Final answer
    x = 3,370.22

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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.