Home / 9,315.22-13,974.22-3,075.89

Finding the Fourth Proportional to 9,315.22, 13,974.22 and 3,075.89

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Solution

The fourth proportional to 9,315.22, 13,974.22 and 3,075.89 is: 4,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.22 : 13,974.22 = 3,075.89 : x
  2. Step 2: Convert to fraction form
    9,315.22/13,974.22 = 3,075.89/x
  3. Step 3: Cross multiply
    9,315.22x = 13,974.22 × 3,075.89
  4. Step 4: Simplify right side
    9,315.22x = 42,983,190.80
  5. Step 5: Solve for x
    x = 42,983,190.80/9,315.22
  6. Step 6: Final answer
    x = 4,614.30

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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.