Home / 12,150.73-16,768.08-6,845.65

Finding the Fourth Proportional to 12,150.73, 16,768.08 and 6,845.65

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Solution

The fourth proportional to 12,150.73, 16,768.08 and 6,845.65 is: 9,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.73 : 16,768.08 = 6,845.65 : x
  2. Step 2: Convert to fraction form
    12,150.73/16,768.08 = 6,845.65/x
  3. Step 3: Cross multiply
    12,150.73x = 16,768.08 × 6,845.65
  4. Step 4: Simplify right side
    12,150.73x = 114,788,406.85
  5. Step 5: Solve for x
    x = 114,788,406.85/12,150.73
  6. Step 6: Final answer
    x = 9,447.04

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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.