Home / 12,075.67-18,114.65-3,753.44

Finding the Fourth Proportional to 12,075.67, 18,114.65 and 3,753.44

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Solution

The fourth proportional to 12,075.67, 18,114.65 and 3,753.44 is: 5,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.67 : 18,114.65 = 3,753.44 : x
  2. Step 2: Convert to fraction form
    12,075.67/18,114.65 = 3,753.44/x
  3. Step 3: Cross multiply
    12,075.67x = 18,114.65 × 3,753.44
  4. Step 4: Simplify right side
    12,075.67x = 67,992,251.90
  5. Step 5: Solve for x
    x = 67,992,251.90/12,075.67
  6. Step 6: Final answer
    x = 5,630.52

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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.