Home / 7,140.62-9,846.82-5,504.46

Finding the Fourth Proportional to 7,140.62, 9,846.82 and 5,504.46

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Solution

The fourth proportional to 7,140.62, 9,846.82 and 5,504.46 is: 7,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.62 : 9,846.82 = 5,504.46 : x
  2. Step 2: Convert to fraction form
    7,140.62/9,846.82 = 5,504.46/x
  3. Step 3: Cross multiply
    7,140.62x = 9,846.82 × 5,504.46
  4. Step 4: Simplify right side
    7,140.62x = 54,201,413.06
  5. Step 5: Solve for x
    x = 54,201,413.06/7,140.62
  6. Step 6: Final answer
    x = 7,590.58

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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.