Home / 12,393.63-18,586.77-4,072.11

Finding the Fourth Proportional to 12,393.63, 18,586.77 and 4,072.11

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Solution

The fourth proportional to 12,393.63, 18,586.77 and 4,072.11 is: 6,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.63 : 18,586.77 = 4,072.11 : x
  2. Step 2: Convert to fraction form
    12,393.63/18,586.77 = 4,072.11/x
  3. Step 3: Cross multiply
    12,393.63x = 18,586.77 × 4,072.11
  4. Step 4: Simplify right side
    12,393.63x = 75,687,371.98
  5. Step 5: Solve for x
    x = 75,687,371.98/12,393.63
  6. Step 6: Final answer
    x = 6,106.96

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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.