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Finding the Fourth Proportional to 12,249.84, 16,904.93 and 7,216.10

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Solution

The fourth proportional to 12,249.84, 16,904.93 and 7,216.10 is: 9,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.84 : 16,904.93 = 7,216.10 : x
  2. Step 2: Convert to fraction form
    12,249.84/16,904.93 = 7,216.10/x
  3. Step 3: Cross multiply
    12,249.84x = 16,904.93 × 7,216.10
  4. Step 4: Simplify right side
    12,249.84x = 121,987,665.37
  5. Step 5: Solve for x
    x = 121,987,665.37/12,249.84
  6. Step 6: Final answer
    x = 9,958.31

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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.