Home / 7,413.46-11,067.30-7,153.94

Finding the Fourth Proportional to 7,413.46, 11,067.30 and 7,153.94

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Solution

The fourth proportional to 7,413.46, 11,067.30 and 7,153.94 is: 10,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.46 : 11,067.30 = 7,153.94 : x
  2. Step 2: Convert to fraction form
    7,413.46/11,067.30 = 7,153.94/x
  3. Step 3: Cross multiply
    7,413.46x = 11,067.30 × 7,153.94
  4. Step 4: Simplify right side
    7,413.46x = 79,174,827.83
  5. Step 5: Solve for x
    x = 79,174,827.83/7,413.46
  6. Step 6: Final answer
    x = 10,679.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.