Home / 10,909.71-16,364.45-4,664.41

Finding the Fourth Proportional to 10,909.71, 16,364.45 and 4,664.41

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Solution

The fourth proportional to 10,909.71, 16,364.45 and 4,664.41 is: 6,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.71 : 16,364.45 = 4,664.41 : x
  2. Step 2: Convert to fraction form
    10,909.71/16,364.45 = 4,664.41/x
  3. Step 3: Cross multiply
    10,909.71x = 16,364.45 × 4,664.41
  4. Step 4: Simplify right side
    10,909.71x = 76,330,474.97
  5. Step 5: Solve for x
    x = 76,330,474.97/10,909.71
  6. Step 6: Final answer
    x = 6,996.56

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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.