Home / 12,292.41-18,433.90-4,393.44

Finding the Fourth Proportional to 12,292.41, 18,433.90 and 4,393.44

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Solution

The fourth proportional to 12,292.41, 18,433.90 and 4,393.44 is: 6,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.41 : 18,433.90 = 4,393.44 : x
  2. Step 2: Convert to fraction form
    12,292.41/18,433.90 = 4,393.44/x
  3. Step 3: Cross multiply
    12,292.41x = 18,433.90 × 4,393.44
  4. Step 4: Simplify right side
    12,292.41x = 80,988,233.62
  5. Step 5: Solve for x
    x = 80,988,233.62/12,292.41
  6. Step 6: Final answer
    x = 6,588.47

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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.