Home / 11,601.12-16,007.76-7,623.84

Finding the Fourth Proportional to 11,601.12, 16,007.76 and 7,623.84

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Solution

The fourth proportional to 11,601.12, 16,007.76 and 7,623.84 is: 10,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.12 : 16,007.76 = 7,623.84 : x
  2. Step 2: Convert to fraction form
    11,601.12/16,007.76 = 7,623.84/x
  3. Step 3: Cross multiply
    11,601.12x = 16,007.76 × 7,623.84
  4. Step 4: Simplify right side
    11,601.12x = 122,040,601.00
  5. Step 5: Solve for x
    x = 122,040,601.00/11,601.12
  6. Step 6: Final answer
    x = 10,519.73

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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.