Home / 12,075.47-16,664.30-6,698.03

Finding the Fourth Proportional to 12,075.47, 16,664.30 and 6,698.03

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Solution

The fourth proportional to 12,075.47, 16,664.30 and 6,698.03 is: 9,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.47 : 16,664.30 = 6,698.03 : x
  2. Step 2: Convert to fraction form
    12,075.47/16,664.30 = 6,698.03/x
  3. Step 3: Cross multiply
    12,075.47x = 16,664.30 × 6,698.03
  4. Step 4: Simplify right side
    12,075.47x = 111,618,039.73
  5. Step 5: Solve for x
    x = 111,618,039.73/12,075.47
  6. Step 6: Final answer
    x = 9,243.37

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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.