Home / 11,075.52-16,613.40-3,178.26

Finding the Fourth Proportional to 11,075.52, 16,613.40 and 3,178.26

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Solution

The fourth proportional to 11,075.52, 16,613.40 and 3,178.26 is: 4,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.52 : 16,613.40 = 3,178.26 : x
  2. Step 2: Convert to fraction form
    11,075.52/16,613.40 = 3,178.26/x
  3. Step 3: Cross multiply
    11,075.52x = 16,613.40 × 3,178.26
  4. Step 4: Simplify right side
    11,075.52x = 52,801,704.68
  5. Step 5: Solve for x
    x = 52,801,704.68/11,075.52
  6. Step 6: Final answer
    x = 4,767.42

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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.