Home / 30,451.11-45,674.83-8,263.99

Finding the Fourth Proportional to 30,451.11, 45,674.83 and 8,263.99

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Solution

The fourth proportional to 30,451.11, 45,674.83 and 8,263.99 is: 12,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,451.11 : 45,674.83 = 8,263.99 : x
  2. Step 2: Convert to fraction form
    30,451.11/45,674.83 = 8,263.99/x
  3. Step 3: Cross multiply
    30,451.11x = 45,674.83 × 8,263.99
  4. Step 4: Simplify right side
    30,451.11x = 377,456,338.37
  5. Step 5: Solve for x
    x = 377,456,338.37/30,451.11
  6. Step 6: Final answer
    x = 12,395.49

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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.