Home / 12,880.49-19,317.17-4,559.41

Finding the Fourth Proportional to 12,880.49, 19,317.17 and 4,559.41

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Solution

The fourth proportional to 12,880.49, 19,317.17 and 4,559.41 is: 6,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880.49 : 19,317.17 = 4,559.41 : x
  2. Step 2: Convert to fraction form
    12,880.49/19,317.17 = 4,559.41/x
  3. Step 3: Cross multiply
    12,880.49x = 19,317.17 × 4,559.41
  4. Step 4: Simplify right side
    12,880.49x = 88,074,907.97
  5. Step 5: Solve for x
    x = 88,074,907.97/12,880.49
  6. Step 6: Final answer
    x = 6,837.85

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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.