Home / 10,964.67-16,450.65-4,389.09

Finding the Fourth Proportional to 10,964.67, 16,450.65 and 4,389.09

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Solution

The fourth proportional to 10,964.67, 16,450.65 and 4,389.09 is: 6,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.67 : 16,450.65 = 4,389.09 : x
  2. Step 2: Convert to fraction form
    10,964.67/16,450.65 = 4,389.09/x
  3. Step 3: Cross multiply
    10,964.67x = 16,450.65 × 4,389.09
  4. Step 4: Simplify right side
    10,964.67x = 72,203,383.41
  5. Step 5: Solve for x
    x = 72,203,383.41/10,964.67
  6. Step 6: Final answer
    x = 6,585.09

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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.