Home / 9,942.18-14,874.75-7,175.22

Finding the Fourth Proportional to 9,942.18, 14,874.75 and 7,175.22

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Solution

The fourth proportional to 9,942.18, 14,874.75 and 7,175.22 is: 10,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.18 : 14,874.75 = 7,175.22 : x
  2. Step 2: Convert to fraction form
    9,942.18/14,874.75 = 7,175.22/x
  3. Step 3: Cross multiply
    9,942.18x = 14,874.75 × 7,175.22
  4. Step 4: Simplify right side
    9,942.18x = 106,729,603.70
  5. Step 5: Solve for x
    x = 106,729,603.70/9,942.18
  6. Step 6: Final answer
    x = 10,735.03

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1.5x scale

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.