Home / 10,779.65-16,169.93-3,760.37

Finding the Fourth Proportional to 10,779.65, 16,169.93 and 3,760.37

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Solution

The fourth proportional to 10,779.65, 16,169.93 and 3,760.37 is: 5,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.65 : 16,169.93 = 3,760.37 : x
  2. Step 2: Convert to fraction form
    10,779.65/16,169.93 = 3,760.37/x
  3. Step 3: Cross multiply
    10,779.65x = 16,169.93 × 3,760.37
  4. Step 4: Simplify right side
    10,779.65x = 60,804,894.76
  5. Step 5: Solve for x
    x = 60,804,894.76/10,779.65
  6. Step 6: Final answer
    x = 5,640.71

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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.