Home / 13,362.46-18,448.56-8,584.33

Finding the Fourth Proportional to 13,362.46, 18,448.56 and 8,584.33

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Solution

The fourth proportional to 13,362.46, 18,448.56 and 8,584.33 is: 11,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.46 : 18,448.56 = 8,584.33 : x
  2. Step 2: Convert to fraction form
    13,362.46/18,448.56 = 8,584.33/x
  3. Step 3: Cross multiply
    13,362.46x = 18,448.56 × 8,584.33
  4. Step 4: Simplify right side
    13,362.46x = 158,368,527.06
  5. Step 5: Solve for x
    x = 158,368,527.06/13,362.46
  6. Step 6: Final answer
    x = 11,851.75

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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.