Home / 12,550.75-17,319.29-7,173.77

Finding the Fourth Proportional to 12,550.75, 17,319.29 and 7,173.77

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Solution

The fourth proportional to 12,550.75, 17,319.29 and 7,173.77 is: 9,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.75 : 17,319.29 = 7,173.77 : x
  2. Step 2: Convert to fraction form
    12,550.75/17,319.29 = 7,173.77/x
  3. Step 3: Cross multiply
    12,550.75x = 17,319.29 × 7,173.77
  4. Step 4: Simplify right side
    12,550.75x = 124,244,480.56
  5. Step 5: Solve for x
    x = 124,244,480.56/12,550.75
  6. Step 6: Final answer
    x = 9,899.37

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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.