Home / 7,822.98-10,795.55-4,286.12

Finding the Fourth Proportional to 7,822.98, 10,795.55 and 4,286.12

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Solution

The fourth proportional to 7,822.98, 10,795.55 and 4,286.12 is: 5,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.98 : 10,795.55 = 4,286.12 : x
  2. Step 2: Convert to fraction form
    7,822.98/10,795.55 = 4,286.12/x
  3. Step 3: Cross multiply
    7,822.98x = 10,795.55 × 4,286.12
  4. Step 4: Simplify right side
    7,822.98x = 46,270,947.36
  5. Step 5: Solve for x
    x = 46,270,947.36/7,822.98
  6. Step 6: Final answer
    x = 5,914.75

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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.