Home / 10,965.29-16,409.66-8,967.83

Finding the Fourth Proportional to 10,965.29, 16,409.66 and 8,967.83

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Solution

The fourth proportional to 10,965.29, 16,409.66 and 8,967.83 is: 13,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.29 : 16,409.66 = 8,967.83 : x
  2. Step 2: Convert to fraction form
    10,965.29/16,409.66 = 8,967.83/x
  3. Step 3: Cross multiply
    10,965.29x = 16,409.66 × 8,967.83
  4. Step 4: Simplify right side
    10,965.29x = 147,158,914.35
  5. Step 5: Solve for x
    x = 147,158,914.35/10,965.29
  6. Step 6: Final answer
    x = 13,420.44

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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.