Home / 9,515.96-13,131.91-5,267.03

Finding the Fourth Proportional to 9,515.96, 13,131.91 and 5,267.03

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Solution

The fourth proportional to 9,515.96, 13,131.91 and 5,267.03 is: 7,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.96 : 13,131.91 = 5,267.03 : x
  2. Step 2: Convert to fraction form
    9,515.96/13,131.91 = 5,267.03/x
  3. Step 3: Cross multiply
    9,515.96x = 13,131.91 × 5,267.03
  4. Step 4: Simplify right side
    9,515.96x = 69,166,097.44
  5. Step 5: Solve for x
    x = 69,166,097.44/9,515.96
  6. Step 6: Final answer
    x = 7,268.43

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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.