Home / 11,716.68-16,152.21-8,353.67

Finding the Fourth Proportional to 11,716.68, 16,152.21 and 8,353.67

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Solution

The fourth proportional to 11,716.68, 16,152.21 and 8,353.67 is: 11,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.68 : 16,152.21 = 8,353.67 : x
  2. Step 2: Convert to fraction form
    11,716.68/16,152.21 = 8,353.67/x
  3. Step 3: Cross multiply
    11,716.68x = 16,152.21 × 8,353.67
  4. Step 4: Simplify right side
    11,716.68x = 134,930,151.35
  5. Step 5: Solve for x
    x = 134,930,151.35/11,716.68
  6. Step 6: Final answer
    x = 11,516.07

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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.