Home / 12,046.73-16,623.69-6,668.79

Finding the Fourth Proportional to 12,046.73, 16,623.69 and 6,668.79

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Solution

The fourth proportional to 12,046.73, 16,623.69 and 6,668.79 is: 9,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.73 : 16,623.69 = 6,668.79 : x
  2. Step 2: Convert to fraction form
    12,046.73/16,623.69 = 6,668.79/x
  3. Step 3: Cross multiply
    12,046.73x = 16,623.69 × 6,668.79
  4. Step 4: Simplify right side
    12,046.73x = 110,859,935.93
  5. Step 5: Solve for x
    x = 110,859,935.93/12,046.73
  6. Step 6: Final answer
    x = 9,202.49

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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.