Home / 12,075.03-16,662.27-6,768.81

Finding the Fourth Proportional to 12,075.03, 16,662.27 and 6,768.81

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Solution

The fourth proportional to 12,075.03, 16,662.27 and 6,768.81 is: 9,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.03 : 16,662.27 = 6,768.81 : x
  2. Step 2: Convert to fraction form
    12,075.03/16,662.27 = 6,768.81/x
  3. Step 3: Cross multiply
    12,075.03x = 16,662.27 × 6,768.81
  4. Step 4: Simplify right side
    12,075.03x = 112,783,739.80
  5. Step 5: Solve for x
    x = 112,783,739.80/12,075.03
  6. Step 6: Final answer
    x = 9,340.25

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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.