Home / 9,716.50-14,577.21-2,791

Finding the Fourth Proportional to 9,716.50, 14,577.21 and 2,791

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Solution

The fourth proportional to 9,716.50, 14,577.21 and 2,791 is: 4,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.50 : 14,577.21 = 2,791 : x
  2. Step 2: Convert to fraction form
    9,716.50/14,577.21 = 2,791/x
  3. Step 3: Cross multiply
    9,716.50x = 14,577.21 × 2,791
  4. Step 4: Simplify right side
    9,716.50x = 40,684,993.11
  5. Step 5: Solve for x
    x = 40,684,993.11/9,716.50
  6. Step 6: Final answer
    x = 4,187.21

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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.