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Finding the Fourth Proportional to 8,090.61, 11,162.85 and 4,734.25

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Solution

The fourth proportional to 8,090.61, 11,162.85 and 4,734.25 is: 6,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.61 : 11,162.85 = 4,734.25 : x
  2. Step 2: Convert to fraction form
    8,090.61/11,162.85 = 4,734.25/x
  3. Step 3: Cross multiply
    8,090.61x = 11,162.85 × 4,734.25
  4. Step 4: Simplify right side
    8,090.61x = 52,847,722.61
  5. Step 5: Solve for x
    x = 52,847,722.61/8,090.61
  6. Step 6: Final answer
    x = 6,531.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.