Home / 11,157.26-15,396.44-6,441.26

Finding the Fourth Proportional to 11,157.26, 15,396.44 and 6,441.26

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Solution

The fourth proportional to 11,157.26, 15,396.44 and 6,441.26 is: 8,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.26 : 15,396.44 = 6,441.26 : x
  2. Step 2: Convert to fraction form
    11,157.26/15,396.44 = 6,441.26/x
  3. Step 3: Cross multiply
    11,157.26x = 15,396.44 × 6,441.26
  4. Step 4: Simplify right side
    11,157.26x = 99,172,473.11
  5. Step 5: Solve for x
    x = 99,172,473.11/11,157.26
  6. Step 6: Final answer
    x = 8,888.60

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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.