Home / 11,571.08-17,354.70-3,779.90

Finding the Fourth Proportional to 11,571.08, 17,354.70 and 3,779.90

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Solution

The fourth proportional to 11,571.08, 17,354.70 and 3,779.90 is: 5,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.08 : 17,354.70 = 3,779.90 : x
  2. Step 2: Convert to fraction form
    11,571.08/17,354.70 = 3,779.90/x
  3. Step 3: Cross multiply
    11,571.08x = 17,354.70 × 3,779.90
  4. Step 4: Simplify right side
    11,571.08x = 65,598,943.76
  5. Step 5: Solve for x
    x = 65,598,943.76/11,571.08
  6. Step 6: Final answer
    x = 5,669.21

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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.