Home / 12,217.19-16,850.51-8,446.67

Finding the Fourth Proportional to 12,217.19, 16,850.51 and 8,446.67

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Solution

The fourth proportional to 12,217.19, 16,850.51 and 8,446.67 is: 11,650.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.19 : 16,850.51 = 8,446.67 : x
  2. Step 2: Convert to fraction form
    12,217.19/16,850.51 = 8,446.67/x
  3. Step 3: Cross multiply
    12,217.19x = 16,850.51 × 8,446.67
  4. Step 4: Simplify right side
    12,217.19x = 142,330,697.19
  5. Step 5: Solve for x
    x = 142,330,697.19/12,217.19
  6. Step 6: Final answer
    x = 11,650.03

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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.