Home / 9,352.75-12,907.07-5,161.27

Finding the Fourth Proportional to 9,352.75, 12,907.07 and 5,161.27

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Solution

The fourth proportional to 9,352.75, 12,907.07 and 5,161.27 is: 7,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.75 : 12,907.07 = 5,161.27 : x
  2. Step 2: Convert to fraction form
    9,352.75/12,907.07 = 5,161.27/x
  3. Step 3: Cross multiply
    9,352.75x = 12,907.07 × 5,161.27
  4. Step 4: Simplify right side
    9,352.75x = 66,616,847.37
  5. Step 5: Solve for x
    x = 66,616,847.37/9,352.75
  6. Step 6: Final answer
    x = 7,122.70

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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.