Home / 12,450.33-18,677.30-3,684.09

Finding the Fourth Proportional to 12,450.33, 18,677.30 and 3,684.09

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Solution

The fourth proportional to 12,450.33, 18,677.30 and 3,684.09 is: 5,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.33 : 18,677.30 = 3,684.09 : x
  2. Step 2: Convert to fraction form
    12,450.33/18,677.30 = 3,684.09/x
  3. Step 3: Cross multiply
    12,450.33x = 18,677.30 × 3,684.09
  4. Step 4: Simplify right side
    12,450.33x = 68,808,835.74
  5. Step 5: Solve for x
    x = 68,808,835.74/12,450.33
  6. Step 6: Final answer
    x = 5,526.67

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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.