Home / 10,810.26-16,220.54-4,891.32

Finding the Fourth Proportional to 10,810.26, 16,220.54 and 4,891.32

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Solution

The fourth proportional to 10,810.26, 16,220.54 and 4,891.32 is: 7,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.26 : 16,220.54 = 4,891.32 : x
  2. Step 2: Convert to fraction form
    10,810.26/16,220.54 = 4,891.32/x
  3. Step 3: Cross multiply
    10,810.26x = 16,220.54 × 4,891.32
  4. Step 4: Simplify right side
    10,810.26x = 79,339,863.94
  5. Step 5: Solve for x
    x = 79,339,863.94/10,810.26
  6. Step 6: Final answer
    x = 7,339.31

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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.