Home / 8,075.97-11,146.86-4,934.79

Finding the Fourth Proportional to 8,075.97, 11,146.86 and 4,934.79

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Solution

The fourth proportional to 8,075.97, 11,146.86 and 4,934.79 is: 6,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.97 : 11,146.86 = 4,934.79 : x
  2. Step 2: Convert to fraction form
    8,075.97/11,146.86 = 4,934.79/x
  3. Step 3: Cross multiply
    8,075.97x = 11,146.86 × 4,934.79
  4. Step 4: Simplify right side
    8,075.97x = 55,007,413.26
  5. Step 5: Solve for x
    x = 55,007,413.26/8,075.97
  6. Step 6: Final answer
    x = 6,811.25

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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.