Home / 7,413.99-11,115.09-3,714.32

Finding the Fourth Proportional to 7,413.99, 11,115.09 and 3,714.32

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Solution

The fourth proportional to 7,413.99, 11,115.09 and 3,714.32 is: 5,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.99 : 11,115.09 = 3,714.32 : x
  2. Step 2: Convert to fraction form
    7,413.99/11,115.09 = 3,714.32/x
  3. Step 3: Cross multiply
    7,413.99x = 11,115.09 × 3,714.32
  4. Step 4: Simplify right side
    7,413.99x = 41,284,945.51
  5. Step 5: Solve for x
    x = 41,284,945.51/7,413.99
  6. Step 6: Final answer
    x = 5,568.52

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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.