Home / 12,241.68-16,894.32-6,864.48

Finding the Fourth Proportional to 12,241.68, 16,894.32 and 6,864.48

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Solution

The fourth proportional to 12,241.68, 16,894.32 and 6,864.48 is: 9,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.68 : 16,894.32 = 6,864.48 : x
  2. Step 2: Convert to fraction form
    12,241.68/16,894.32 = 6,864.48/x
  3. Step 3: Cross multiply
    12,241.68x = 16,894.32 × 6,864.48
  4. Step 4: Simplify right side
    12,241.68x = 115,970,721.75
  5. Step 5: Solve for x
    x = 115,970,721.75/12,241.68
  6. Step 6: Final answer
    x = 9,473.43

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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.