Home / 8,104.35-12,156.66-2,261.01

Finding the Fourth Proportional to 8,104.35, 12,156.66 and 2,261.01

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Solution

The fourth proportional to 8,104.35, 12,156.66 and 2,261.01 is: 3,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.35 : 12,156.66 = 2,261.01 : x
  2. Step 2: Convert to fraction form
    8,104.35/12,156.66 = 2,261.01/x
  3. Step 3: Cross multiply
    8,104.35x = 12,156.66 × 2,261.01
  4. Step 4: Simplify right side
    8,104.35x = 27,486,329.83
  5. Step 5: Solve for x
    x = 27,486,329.83/8,104.35
  6. Step 6: Final answer
    x = 3,391.55

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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.