Home / 8,246.70-12,366.54-3,180.06

Finding the Fourth Proportional to 8,246.70, 12,366.54 and 3,180.06

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Solution

The fourth proportional to 8,246.70, 12,366.54 and 3,180.06 is: 4,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.70 : 12,366.54 = 3,180.06 : x
  2. Step 2: Convert to fraction form
    8,246.70/12,366.54 = 3,180.06/x
  3. Step 3: Cross multiply
    8,246.70x = 12,366.54 × 3,180.06
  4. Step 4: Simplify right side
    8,246.70x = 39,326,339.19
  5. Step 5: Solve for x
    x = 39,326,339.19/8,246.70
  6. Step 6: Final answer
    x = 4,768.74

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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.