Home / 9,516.57-13,131.30-5,977.26

Finding the Fourth Proportional to 9,516.57, 13,131.30 and 5,977.26

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Solution

The fourth proportional to 9,516.57, 13,131.30 and 5,977.26 is: 8,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.57 : 13,131.30 = 5,977.26 : x
  2. Step 2: Convert to fraction form
    9,516.57/13,131.30 = 5,977.26/x
  3. Step 3: Cross multiply
    9,516.57x = 13,131.30 × 5,977.26
  4. Step 4: Simplify right side
    9,516.57x = 78,489,194.24
  5. Step 5: Solve for x
    x = 78,489,194.24/9,516.57
  6. Step 6: Final answer
    x = 8,247.63

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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.