Home / 9,619.06-13,244.69-8,199.56

Finding the Fourth Proportional to 9,619.06, 13,244.69 and 8,199.56

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Solution

The fourth proportional to 9,619.06, 13,244.69 and 8,199.56 is: 11,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.06 : 13,244.69 = 8,199.56 : x
  2. Step 2: Convert to fraction form
    9,619.06/13,244.69 = 8,199.56/x
  3. Step 3: Cross multiply
    9,619.06x = 13,244.69 × 8,199.56
  4. Step 4: Simplify right side
    9,619.06x = 108,600,630.34
  5. Step 5: Solve for x
    x = 108,600,630.34/9,619.06
  6. Step 6: Final answer
    x = 11,290.15

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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.