Home / 7,450.22-11,175.54-2,947.10

Finding the Fourth Proportional to 7,450.22, 11,175.54 and 2,947.10

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Solution

The fourth proportional to 7,450.22, 11,175.54 and 2,947.10 is: 4,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.22 : 11,175.54 = 2,947.10 : x
  2. Step 2: Convert to fraction form
    7,450.22/11,175.54 = 2,947.10/x
  3. Step 3: Cross multiply
    7,450.22x = 11,175.54 × 2,947.10
  4. Step 4: Simplify right side
    7,450.22x = 32,935,433.93
  5. Step 5: Solve for x
    x = 32,935,433.93/7,450.22
  6. Step 6: Final answer
    x = 4,420.73

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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.