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Finding the Fourth Proportional to 9,997.68, 13,795.80 and 5,804.88

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Solution

The fourth proportional to 9,997.68, 13,795.80 and 5,804.88 is: 8,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.68 : 13,795.80 = 5,804.88 : x
  2. Step 2: Convert to fraction form
    9,997.68/13,795.80 = 5,804.88/x
  3. Step 3: Cross multiply
    9,997.68x = 13,795.80 × 5,804.88
  4. Step 4: Simplify right side
    9,997.68x = 80,082,963.50
  5. Step 5: Solve for x
    x = 80,082,963.50/9,997.68
  6. Step 6: Final answer
    x = 8,010.15

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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.