Home / 12,185.24-18,274.08-4,393.04

Finding the Fourth Proportional to 12,185.24, 18,274.08 and 4,393.04

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Solution

The fourth proportional to 12,185.24, 18,274.08 and 4,393.04 is: 6,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185.24 : 18,274.08 = 4,393.04 : x
  2. Step 2: Convert to fraction form
    12,185.24/18,274.08 = 4,393.04/x
  3. Step 3: Cross multiply
    12,185.24x = 18,274.08 × 4,393.04
  4. Step 4: Simplify right side
    12,185.24x = 80,278,764.40
  5. Step 5: Solve for x
    x = 80,278,764.40/12,185.24
  6. Step 6: Final answer
    x = 6,588.20

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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.