Home / 12,075.88-18,112.28-4,675.27

Finding the Fourth Proportional to 12,075.88, 18,112.28 and 4,675.27

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Solution

The fourth proportional to 12,075.88, 18,112.28 and 4,675.27 is: 7,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.88 : 18,112.28 = 4,675.27 : x
  2. Step 2: Convert to fraction form
    12,075.88/18,112.28 = 4,675.27/x
  3. Step 3: Cross multiply
    12,075.88x = 18,112.28 × 4,675.27
  4. Step 4: Simplify right side
    12,075.88x = 84,679,799.32
  5. Step 5: Solve for x
    x = 84,679,799.32/12,075.88
  6. Step 6: Final answer
    x = 7,012.31

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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.