Home / 8,543.22-12,820.60-2,996.62

Finding the Fourth Proportional to 8,543.22, 12,820.60 and 2,996.62

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Solution

The fourth proportional to 8,543.22, 12,820.60 and 2,996.62 is: 4,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.22 : 12,820.60 = 2,996.62 : x
  2. Step 2: Convert to fraction form
    8,543.22/12,820.60 = 2,996.62/x
  3. Step 3: Cross multiply
    8,543.22x = 12,820.60 × 2,996.62
  4. Step 4: Simplify right side
    8,543.22x = 38,418,466.37
  5. Step 5: Solve for x
    x = 38,418,466.37/8,543.22
  6. Step 6: Final answer
    x = 4,496.95

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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.