Home / 12,075.62-16,664.36-6,770.44

Finding the Fourth Proportional to 12,075.62, 16,664.36 and 6,770.44

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Solution

The fourth proportional to 12,075.62, 16,664.36 and 6,770.44 is: 9,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.62 : 16,664.36 = 6,770.44 : x
  2. Step 2: Convert to fraction form
    12,075.62/16,664.36 = 6,770.44/x
  3. Step 3: Cross multiply
    12,075.62x = 16,664.36 × 6,770.44
  4. Step 4: Simplify right side
    12,075.62x = 112,824,932.34
  5. Step 5: Solve for x
    x = 112,824,932.34/12,075.62
  6. Step 6: Final answer
    x = 9,343.20

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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.