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Finding the Fourth Proportional to 12,494.93, 17,235.07 and 9,504.21

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Solution

The fourth proportional to 12,494.93, 17,235.07 and 9,504.21 is: 13,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.93 : 17,235.07 = 9,504.21 : x
  2. Step 2: Convert to fraction form
    12,494.93/17,235.07 = 9,504.21/x
  3. Step 3: Cross multiply
    12,494.93x = 17,235.07 × 9,504.21
  4. Step 4: Simplify right side
    12,494.93x = 163,805,724.64
  5. Step 5: Solve for x
    x = 163,805,724.64/12,494.93
  6. Step 6: Final answer
    x = 13,109.78

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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.