Home / 7,849.94-11,779.49-2,923.07

Finding the Fourth Proportional to 7,849.94, 11,779.49 and 2,923.07

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Solution

The fourth proportional to 7,849.94, 11,779.49 and 2,923.07 is: 4,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.94 : 11,779.49 = 2,923.07 : x
  2. Step 2: Convert to fraction form
    7,849.94/11,779.49 = 2,923.07/x
  3. Step 3: Cross multiply
    7,849.94x = 11,779.49 × 2,923.07
  4. Step 4: Simplify right side
    7,849.94x = 34,432,222.24
  5. Step 5: Solve for x
    x = 34,432,222.24/7,849.94
  6. Step 6: Final answer
    x = 4,386.31

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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.