Home / 12,075.04-16,664.36-6,770.20

Finding the Fourth Proportional to 12,075.04, 16,664.36 and 6,770.20

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Solution

The fourth proportional to 12,075.04, 16,664.36 and 6,770.20 is: 9,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.04 : 16,664.36 = 6,770.20 : x
  2. Step 2: Convert to fraction form
    12,075.04/16,664.36 = 6,770.20/x
  3. Step 3: Cross multiply
    12,075.04x = 16,664.36 × 6,770.20
  4. Step 4: Simplify right side
    12,075.04x = 112,821,016.22
  5. Step 5: Solve for x
    x = 112,821,016.22/12,075.04
  6. Step 6: Final answer
    x = 9,343.32

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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.