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Finding the Fourth Proportional to 9,793.78, 14,688.36 and 6,278.64

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Solution

The fourth proportional to 9,793.78, 14,688.36 and 6,278.64 is: 9,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.78 : 14,688.36 = 6,278.64 : x
  2. Step 2: Convert to fraction form
    9,793.78/14,688.36 = 6,278.64/x
  3. Step 3: Cross multiply
    9,793.78x = 14,688.36 × 6,278.64
  4. Step 4: Simplify right side
    9,793.78x = 92,222,924.63
  5. Step 5: Solve for x
    x = 92,222,924.63/9,793.78
  6. Step 6: Final answer
    x = 9,416.48

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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.