Home / 6,707.07-9,255.87-3,912.57

Finding the Fourth Proportional to 6,707.07, 9,255.87 and 3,912.57

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Solution

The fourth proportional to 6,707.07, 9,255.87 and 3,912.57 is: 5,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.07 : 9,255.87 = 3,912.57 : x
  2. Step 2: Convert to fraction form
    6,707.07/9,255.87 = 3,912.57/x
  3. Step 3: Cross multiply
    6,707.07x = 9,255.87 × 3,912.57
  4. Step 4: Simplify right side
    6,707.07x = 36,214,239.29
  5. Step 5: Solve for x
    x = 36,214,239.29/6,707.07
  6. Step 6: Final answer
    x = 5,399.41

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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.