Home / 8,412.12-11,601.18-5,268.60

Finding the Fourth Proportional to 8,412.12, 11,601.18 and 5,268.60

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Solution

The fourth proportional to 8,412.12, 11,601.18 and 5,268.60 is: 7,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.12 : 11,601.18 = 5,268.60 : x
  2. Step 2: Convert to fraction form
    8,412.12/11,601.18 = 5,268.60/x
  3. Step 3: Cross multiply
    8,412.12x = 11,601.18 × 5,268.60
  4. Step 4: Simplify right side
    8,412.12x = 61,121,976.95
  5. Step 5: Solve for x
    x = 61,121,976.95/8,412.12
  6. Step 6: Final answer
    x = 7,265.94

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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.