Home / 12,847.05-17,713.62-10,725.66

Finding the Fourth Proportional to 12,847.05, 17,713.62 and 10,725.66

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Solution

The fourth proportional to 12,847.05, 17,713.62 and 10,725.66 is: 14,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.05 : 17,713.62 = 10,725.66 : x
  2. Step 2: Convert to fraction form
    12,847.05/17,713.62 = 10,725.66/x
  3. Step 3: Cross multiply
    12,847.05x = 17,713.62 × 10,725.66
  4. Step 4: Simplify right side
    12,847.05x = 189,990,265.49
  5. Step 5: Solve for x
    x = 189,990,265.49/12,847.05
  6. Step 6: Final answer
    x = 14,788.63

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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.