Home / 9,351.36-12,912.48-6,373.44

Finding the Fourth Proportional to 9,351.36, 12,912.48 and 6,373.44

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Solution

The fourth proportional to 9,351.36, 12,912.48 and 6,373.44 is: 8,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.36 : 12,912.48 = 6,373.44 : x
  2. Step 2: Convert to fraction form
    9,351.36/12,912.48 = 6,373.44/x
  3. Step 3: Cross multiply
    9,351.36x = 12,912.48 × 6,373.44
  4. Step 4: Simplify right side
    9,351.36x = 82,296,916.53
  5. Step 5: Solve for x
    x = 82,296,916.53/9,351.36
  6. Step 6: Final answer
    x = 8,800.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.