Home / 9,292.11-13,940.32-5,131.14

Finding the Fourth Proportional to 9,292.11, 13,940.32 and 5,131.14

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Solution

The fourth proportional to 9,292.11, 13,940.32 and 5,131.14 is: 7,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.11 : 13,940.32 = 5,131.14 : x
  2. Step 2: Convert to fraction form
    9,292.11/13,940.32 = 5,131.14/x
  3. Step 3: Cross multiply
    9,292.11x = 13,940.32 × 5,131.14
  4. Step 4: Simplify right side
    9,292.11x = 71,529,733.56
  5. Step 5: Solve for x
    x = 71,529,733.56/9,292.11
  6. Step 6: Final answer
    x = 7,697.90

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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.