Home / 7,469.36-11,205.86-2,275.23

Finding the Fourth Proportional to 7,469.36, 11,205.86 and 2,275.23

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Solution

The fourth proportional to 7,469.36, 11,205.86 and 2,275.23 is: 3,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.36 : 11,205.86 = 2,275.23 : x
  2. Step 2: Convert to fraction form
    7,469.36/11,205.86 = 2,275.23/x
  3. Step 3: Cross multiply
    7,469.36x = 11,205.86 × 2,275.23
  4. Step 4: Simplify right side
    7,469.36x = 25,495,908.85
  5. Step 5: Solve for x
    x = 25,495,908.85/7,469.36
  6. Step 6: Final answer
    x = 3,413.40

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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.