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Finding the Fourth Proportional to 9,788.60, 13,504.98 and 6,253.88

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Solution

The fourth proportional to 9,788.60, 13,504.98 and 6,253.88 is: 8,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.60 : 13,504.98 = 6,253.88 : x
  2. Step 2: Convert to fraction form
    9,788.60/13,504.98 = 6,253.88/x
  3. Step 3: Cross multiply
    9,788.60x = 13,504.98 × 6,253.88
  4. Step 4: Simplify right side
    9,788.60x = 84,458,524.32
  5. Step 5: Solve for x
    x = 84,458,524.32/9,788.60
  6. Step 6: Final answer
    x = 8,628.25

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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.