Home / 8,728.38-13,092.86-3,464.37

Finding the Fourth Proportional to 8,728.38, 13,092.86 and 3,464.37

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Solution

The fourth proportional to 8,728.38, 13,092.86 and 3,464.37 is: 5,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.38 : 13,092.86 = 3,464.37 : x
  2. Step 2: Convert to fraction form
    8,728.38/13,092.86 = 3,464.37/x
  3. Step 3: Cross multiply
    8,728.38x = 13,092.86 × 3,464.37
  4. Step 4: Simplify right side
    8,728.38x = 45,358,511.40
  5. Step 5: Solve for x
    x = 45,358,511.40/8,728.38
  6. Step 6: Final answer
    x = 5,196.67

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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.