Home / 8,636.06-11,928.52-7,796.36

Finding the Fourth Proportional to 8,636.06, 11,928.52 and 7,796.36

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Solution

The fourth proportional to 8,636.06, 11,928.52 and 7,796.36 is: 10,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.06 : 11,928.52 = 7,796.36 : x
  2. Step 2: Convert to fraction form
    8,636.06/11,928.52 = 7,796.36/x
  3. Step 3: Cross multiply
    8,636.06x = 11,928.52 × 7,796.36
  4. Step 4: Simplify right side
    8,636.06x = 92,999,036.19
  5. Step 5: Solve for x
    x = 92,999,036.19/8,636.06
  6. Step 6: Final answer
    x = 10,768.69

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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.