Home / 7,454.07-11,173.77-3,561.21

Finding the Fourth Proportional to 7,454.07, 11,173.77 and 3,561.21

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Solution

The fourth proportional to 7,454.07, 11,173.77 and 3,561.21 is: 5,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.07 : 11,173.77 = 3,561.21 : x
  2. Step 2: Convert to fraction form
    7,454.07/11,173.77 = 3,561.21/x
  3. Step 3: Cross multiply
    7,454.07x = 11,173.77 × 3,561.21
  4. Step 4: Simplify right side
    7,454.07x = 39,792,141.46
  5. Step 5: Solve for x
    x = 39,792,141.46/7,454.07
  6. Step 6: Final answer
    x = 5,338.31

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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.