Home / 11,075.40-16,614.70-3,680.20

Finding the Fourth Proportional to 11,075.40, 16,614.70 and 3,680.20

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Solution

The fourth proportional to 11,075.40, 16,614.70 and 3,680.20 is: 5,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.40 : 16,614.70 = 3,680.20 : x
  2. Step 2: Convert to fraction form
    11,075.40/16,614.70 = 3,680.20/x
  3. Step 3: Cross multiply
    11,075.40x = 16,614.70 × 3,680.20
  4. Step 4: Simplify right side
    11,075.40x = 61,145,418.94
  5. Step 5: Solve for x
    x = 61,145,418.94/11,075.40
  6. Step 6: Final answer
    x = 5,520.83

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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.