Home / 9,336.75-12,884.99-5,145.27

Finding the Fourth Proportional to 9,336.75, 12,884.99 and 5,145.27

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Solution

The fourth proportional to 9,336.75, 12,884.99 and 5,145.27 is: 7,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.75 : 12,884.99 = 5,145.27 : x
  2. Step 2: Convert to fraction form
    9,336.75/12,884.99 = 5,145.27/x
  3. Step 3: Cross multiply
    9,336.75x = 12,884.99 × 5,145.27
  4. Step 4: Simplify right side
    9,336.75x = 66,296,752.50
  5. Step 5: Solve for x
    x = 66,296,752.50/9,336.75
  6. Step 6: Final answer
    x = 7,100.62

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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.