Home / 7,799.63-11,692.49-2,868.08

Finding the Fourth Proportional to 7,799.63, 11,692.49 and 2,868.08

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Solution

The fourth proportional to 7,799.63, 11,692.49 and 2,868.08 is: 4,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.63 : 11,692.49 = 2,868.08 : x
  2. Step 2: Convert to fraction form
    7,799.63/11,692.49 = 2,868.08/x
  3. Step 3: Cross multiply
    7,799.63x = 11,692.49 × 2,868.08
  4. Step 4: Simplify right side
    7,799.63x = 33,534,923.92
  5. Step 5: Solve for x
    x = 33,534,923.92/7,799.63
  6. Step 6: Final answer
    x = 4,299.56

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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.