Home / 10,909.64-16,365.99-4,244.84

Finding the Fourth Proportional to 10,909.64, 16,365.99 and 4,244.84

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Solution

The fourth proportional to 10,909.64, 16,365.99 and 4,244.84 is: 6,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.64 : 16,365.99 = 4,244.84 : x
  2. Step 2: Convert to fraction form
    10,909.64/16,365.99 = 4,244.84/x
  3. Step 3: Cross multiply
    10,909.64x = 16,365.99 × 4,244.84
  4. Step 4: Simplify right side
    10,909.64x = 69,470,927.16
  5. Step 5: Solve for x
    x = 69,470,927.16/10,909.64
  6. Step 6: Final answer
    x = 6,367.85

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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.