Home / 12,133.12-18,199.67-3,368.04

Finding the Fourth Proportional to 12,133.12, 18,199.67 and 3,368.04

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Solution

The fourth proportional to 12,133.12, 18,199.67 and 3,368.04 is: 5,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.12 : 18,199.67 = 3,368.04 : x
  2. Step 2: Convert to fraction form
    12,133.12/18,199.67 = 3,368.04/x
  3. Step 3: Cross multiply
    12,133.12x = 18,199.67 × 3,368.04
  4. Step 4: Simplify right side
    12,133.12x = 61,297,216.55
  5. Step 5: Solve for x
    x = 61,297,216.55/12,133.12
  6. Step 6: Final answer
    x = 5,052.06

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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.