Home / 11,516.27-15,892.76-6,480.67

Finding the Fourth Proportional to 11,516.27, 15,892.76 and 6,480.67

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Solution

The fourth proportional to 11,516.27, 15,892.76 and 6,480.67 is: 8,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.27 : 15,892.76 = 6,480.67 : x
  2. Step 2: Convert to fraction form
    11,516.27/15,892.76 = 6,480.67/x
  3. Step 3: Cross multiply
    11,516.27x = 15,892.76 × 6,480.67
  4. Step 4: Simplify right side
    11,516.27x = 102,995,709.42
  5. Step 5: Solve for x
    x = 102,995,709.42/11,516.27
  6. Step 6: Final answer
    x = 8,943.49

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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.