Home / 8,317.45-11,480.01-5,485.33

Finding the Fourth Proportional to 8,317.45, 11,480.01 and 5,485.33

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Solution

The fourth proportional to 8,317.45, 11,480.01 and 5,485.33 is: 7,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.45 : 11,480.01 = 5,485.33 : x
  2. Step 2: Convert to fraction form
    8,317.45/11,480.01 = 5,485.33/x
  3. Step 3: Cross multiply
    8,317.45x = 11,480.01 × 5,485.33
  4. Step 4: Simplify right side
    8,317.45x = 62,971,643.25
  5. Step 5: Solve for x
    x = 62,971,643.25/8,317.45
  6. Step 6: Final answer
    x = 7,571.03

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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.