Home / 10,958.96-16,433.40-4,379.60

Finding the Fourth Proportional to 10,958.96, 16,433.40 and 4,379.60

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Solution

The fourth proportional to 10,958.96, 16,433.40 and 4,379.60 is: 6,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.96 : 16,433.40 = 4,379.60 : x
  2. Step 2: Convert to fraction form
    10,958.96/16,433.40 = 4,379.60/x
  3. Step 3: Cross multiply
    10,958.96x = 16,433.40 × 4,379.60
  4. Step 4: Simplify right side
    10,958.96x = 71,971,718.64
  5. Step 5: Solve for x
    x = 71,971,718.64/10,958.96
  6. Step 6: Final answer
    x = 6,567.39

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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.