Home / 7,586.16-11,380.74-2,321.90

Finding the Fourth Proportional to 7,586.16, 11,380.74 and 2,321.90

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Solution

The fourth proportional to 7,586.16, 11,380.74 and 2,321.90 is: 3,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.16 : 11,380.74 = 2,321.90 : x
  2. Step 2: Convert to fraction form
    7,586.16/11,380.74 = 2,321.90/x
  3. Step 3: Cross multiply
    7,586.16x = 11,380.74 × 2,321.90
  4. Step 4: Simplify right side
    7,586.16x = 26,424,940.21
  5. Step 5: Solve for x
    x = 26,424,940.21/7,586.16
  6. Step 6: Final answer
    x = 3,483.31

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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.