Home / 12,448.62-17,178.99-6,783.34

Finding the Fourth Proportional to 12,448.62, 17,178.99 and 6,783.34

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Solution

The fourth proportional to 12,448.62, 17,178.99 and 6,783.34 is: 9,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.62 : 17,178.99 = 6,783.34 : x
  2. Step 2: Convert to fraction form
    12,448.62/17,178.99 = 6,783.34/x
  3. Step 3: Cross multiply
    12,448.62x = 17,178.99 × 6,783.34
  4. Step 4: Simplify right side
    12,448.62x = 116,530,930.03
  5. Step 5: Solve for x
    x = 116,530,930.03/12,448.62
  6. Step 6: Final answer
    x = 9,360.95

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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.