Home / 11,770.25-17,640.36-5,516.47

Finding the Fourth Proportional to 11,770.25, 17,640.36 and 5,516.47

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Solution

The fourth proportional to 11,770.25, 17,640.36 and 5,516.47 is: 8,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.25 : 17,640.36 = 5,516.47 : x
  2. Step 2: Convert to fraction form
    11,770.25/17,640.36 = 5,516.47/x
  3. Step 3: Cross multiply
    11,770.25x = 17,640.36 × 5,516.47
  4. Step 4: Simplify right side
    11,770.25x = 97,312,516.73
  5. Step 5: Solve for x
    x = 97,312,516.73/11,770.25
  6. Step 6: Final answer
    x = 8,267.67

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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.