Home / 11,413.44-15,636.16-10,987.04

Finding the Fourth Proportional to 11,413.44, 15,636.16 and 10,987.04

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Solution

The fourth proportional to 11,413.44, 15,636.16 and 10,987.04 is: 15,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.44 : 15,636.16 = 10,987.04 : x
  2. Step 2: Convert to fraction form
    11,413.44/15,636.16 = 10,987.04/x
  3. Step 3: Cross multiply
    11,413.44x = 15,636.16 × 10,987.04
  4. Step 4: Simplify right side
    11,413.44x = 171,795,115.37
  5. Step 5: Solve for x
    x = 171,795,115.37/11,413.44
  6. Step 6: Final answer
    x = 15,052.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.