Home / 8,176.41-12,261.92-2,628.45

Finding the Fourth Proportional to 8,176.41, 12,261.92 and 2,628.45

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Solution

The fourth proportional to 8,176.41, 12,261.92 and 2,628.45 is: 3,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.41 : 12,261.92 = 2,628.45 : x
  2. Step 2: Convert to fraction form
    8,176.41/12,261.92 = 2,628.45/x
  3. Step 3: Cross multiply
    8,176.41x = 12,261.92 × 2,628.45
  4. Step 4: Simplify right side
    8,176.41x = 32,229,830.48
  5. Step 5: Solve for x
    x = 32,229,830.48/8,176.41
  6. Step 6: Final answer
    x = 3,941.81

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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.