Home / 7,438.29-11,157.99-2,506.32

Finding the Fourth Proportional to 7,438.29, 11,157.99 and 2,506.32

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Solution

The fourth proportional to 7,438.29, 11,157.99 and 2,506.32 is: 3,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.29 : 11,157.99 = 2,506.32 : x
  2. Step 2: Convert to fraction form
    7,438.29/11,157.99 = 2,506.32/x
  3. Step 3: Cross multiply
    7,438.29x = 11,157.99 × 2,506.32
  4. Step 4: Simplify right side
    7,438.29x = 27,965,493.50
  5. Step 5: Solve for x
    x = 27,965,493.50/7,438.29
  6. Step 6: Final answer
    x = 3,759.67

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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.