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Finding the Fourth Proportional to 8,293.22, 11,447.16 and 4,938.50

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Solution

The fourth proportional to 8,293.22, 11,447.16 and 4,938.50 is: 6,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.22 : 11,447.16 = 4,938.50 : x
  2. Step 2: Convert to fraction form
    8,293.22/11,447.16 = 4,938.50/x
  3. Step 3: Cross multiply
    8,293.22x = 11,447.16 × 4,938.50
  4. Step 4: Simplify right side
    8,293.22x = 56,531,799.66
  5. Step 5: Solve for x
    x = 56,531,799.66/8,293.22
  6. Step 6: Final answer
    x = 6,816.63

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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.