Home / 12,846.11-19,272.58-5,450.99

Finding the Fourth Proportional to 12,846.11, 19,272.58 and 5,450.99

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Solution

The fourth proportional to 12,846.11, 19,272.58 and 5,450.99 is: 8,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.11 : 19,272.58 = 5,450.99 : x
  2. Step 2: Convert to fraction form
    12,846.11/19,272.58 = 5,450.99/x
  3. Step 3: Cross multiply
    12,846.11x = 19,272.58 × 5,450.99
  4. Step 4: Simplify right side
    12,846.11x = 105,054,530.86
  5. Step 5: Solve for x
    x = 105,054,530.86/12,846.11
  6. Step 6: Final answer
    x = 8,177.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.