Home / 9,379.87-14,071.83-2,806.63

Finding the Fourth Proportional to 9,379.87, 14,071.83 and 2,806.63

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Solution

The fourth proportional to 9,379.87, 14,071.83 and 2,806.63 is: 4,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.87 : 14,071.83 = 2,806.63 : x
  2. Step 2: Convert to fraction form
    9,379.87/14,071.83 = 2,806.63/x
  3. Step 3: Cross multiply
    9,379.87x = 14,071.83 × 2,806.63
  4. Step 4: Simplify right side
    9,379.87x = 39,494,420.23
  5. Step 5: Solve for x
    x = 39,494,420.23/9,379.87
  6. Step 6: Final answer
    x = 4,210.55

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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.