Home / 9,571.26-13,209.58-5,380.32

Finding the Fourth Proportional to 9,571.26, 13,209.58 and 5,380.32

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Solution

The fourth proportional to 9,571.26, 13,209.58 and 5,380.32 is: 7,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.26 : 13,209.58 = 5,380.32 : x
  2. Step 2: Convert to fraction form
    9,571.26/13,209.58 = 5,380.32/x
  3. Step 3: Cross multiply
    9,571.26x = 13,209.58 × 5,380.32
  4. Step 4: Simplify right side
    9,571.26x = 71,071,767.47
  5. Step 5: Solve for x
    x = 71,071,767.47/9,571.26
  6. Step 6: Final answer
    x = 7,425.54

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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.