Home / 10,879.26-16,321.70-4,636.14

Finding the Fourth Proportional to 10,879.26, 16,321.70 and 4,636.14

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Solution

The fourth proportional to 10,879.26, 16,321.70 and 4,636.14 is: 6,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.26 : 16,321.70 = 4,636.14 : x
  2. Step 2: Convert to fraction form
    10,879.26/16,321.70 = 4,636.14/x
  3. Step 3: Cross multiply
    10,879.26x = 16,321.70 × 4,636.14
  4. Step 4: Simplify right side
    10,879.26x = 75,669,636.62
  5. Step 5: Solve for x
    x = 75,669,636.62/10,879.26
  6. Step 6: Final answer
    x = 6,955.40

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1.5x scale

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.