Home / 30,450.11-45,673.34-8,262.99

Finding the Fourth Proportional to 30,450.11, 45,673.34 and 8,262.99

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Solution

The fourth proportional to 30,450.11, 45,673.34 and 8,262.99 is: 12,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.11 : 45,673.34 = 8,262.99 : x
  2. Step 2: Convert to fraction form
    30,450.11/45,673.34 = 8,262.99/x
  3. Step 3: Cross multiply
    30,450.11x = 45,673.34 × 8,262.99
  4. Step 4: Simplify right side
    30,450.11x = 377,398,310.37
  5. Step 5: Solve for x
    x = 377,398,310.37/30,450.11
  6. Step 6: Final answer
    x = 12,393.99

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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.