Home / 10,879.56-16,323.80-4,310.46

Finding the Fourth Proportional to 10,879.56, 16,323.80 and 4,310.46

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Solution

The fourth proportional to 10,879.56, 16,323.80 and 4,310.46 is: 6,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.56 : 16,323.80 = 4,310.46 : x
  2. Step 2: Convert to fraction form
    10,879.56/16,323.80 = 4,310.46/x
  3. Step 3: Cross multiply
    10,879.56x = 16,323.80 × 4,310.46
  4. Step 4: Simplify right side
    10,879.56x = 70,363,065.40
  5. Step 5: Solve for x
    x = 70,363,065.40/10,879.56
  6. Step 6: Final answer
    x = 6,467.46

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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.