Home / 8,176.55-12,261.98-2,331.59

Finding the Fourth Proportional to 8,176.55, 12,261.98 and 2,331.59

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Solution

The fourth proportional to 8,176.55, 12,261.98 and 2,331.59 is: 3,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.55 : 12,261.98 = 2,331.59 : x
  2. Step 2: Convert to fraction form
    8,176.55/12,261.98 = 2,331.59/x
  3. Step 3: Cross multiply
    8,176.55x = 12,261.98 × 2,331.59
  4. Step 4: Simplify right side
    8,176.55x = 28,589,854.47
  5. Step 5: Solve for x
    x = 28,589,854.47/8,176.55
  6. Step 6: Final answer
    x = 3,496.57

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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.