Home / 8,377.41-12,554.49-3,690.39

Finding the Fourth Proportional to 8,377.41, 12,554.49 and 3,690.39

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Solution

The fourth proportional to 8,377.41, 12,554.49 and 3,690.39 is: 5,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.41 : 12,554.49 = 3,690.39 : x
  2. Step 2: Convert to fraction form
    8,377.41/12,554.49 = 3,690.39/x
  3. Step 3: Cross multiply
    8,377.41x = 12,554.49 × 3,690.39
  4. Step 4: Simplify right side
    8,377.41x = 46,330,964.35
  5. Step 5: Solve for x
    x = 46,330,964.35/8,377.41
  6. Step 6: Final answer
    x = 5,530.46

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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.