Home / 10,779.33-16,168.98-3,384.37

Finding the Fourth Proportional to 10,779.33, 16,168.98 and 3,384.37

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Solution

The fourth proportional to 10,779.33, 16,168.98 and 3,384.37 is: 5,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.33 : 16,168.98 = 3,384.37 : x
  2. Step 2: Convert to fraction form
    10,779.33/16,168.98 = 3,384.37/x
  3. Step 3: Cross multiply
    10,779.33x = 16,168.98 × 3,384.37
  4. Step 4: Simplify right side
    10,779.33x = 54,721,752.79
  5. Step 5: Solve for x
    x = 54,721,752.79/10,779.33
  6. Step 6: Final answer
    x = 5,076.55

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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.