Home / 8,075.94-11,145.34-4,491.42

Finding the Fourth Proportional to 8,075.94, 11,145.34 and 4,491.42

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Solution

The fourth proportional to 8,075.94, 11,145.34 and 4,491.42 is: 6,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.94 : 11,145.34 = 4,491.42 : x
  2. Step 2: Convert to fraction form
    8,075.94/11,145.34 = 4,491.42/x
  3. Step 3: Cross multiply
    8,075.94x = 11,145.34 × 4,491.42
  4. Step 4: Simplify right side
    8,075.94x = 50,058,402.98
  5. Step 5: Solve for x
    x = 50,058,402.98/8,075.94
  6. Step 6: Final answer
    x = 6,198.46

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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.