Home / 11,321.57-16,950.87-5,762.95

Finding the Fourth Proportional to 11,321.57, 16,950.87 and 5,762.95

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Solution

The fourth proportional to 11,321.57, 16,950.87 and 5,762.95 is: 8,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.57 : 16,950.87 = 5,762.95 : x
  2. Step 2: Convert to fraction form
    11,321.57/16,950.87 = 5,762.95/x
  3. Step 3: Cross multiply
    11,321.57x = 16,950.87 × 5,762.95
  4. Step 4: Simplify right side
    11,321.57x = 97,686,973.89
  5. Step 5: Solve for x
    x = 97,686,973.89/11,321.57
  6. Step 6: Final answer
    x = 8,628.39

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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.