Home / 11,194.57-15,449.60-8,357.02

Finding the Fourth Proportional to 11,194.57, 15,449.60 and 8,357.02

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Solution

The fourth proportional to 11,194.57, 15,449.60 and 8,357.02 is: 11,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.57 : 15,449.60 = 8,357.02 : x
  2. Step 2: Convert to fraction form
    11,194.57/15,449.60 = 8,357.02/x
  3. Step 3: Cross multiply
    11,194.57x = 15,449.60 × 8,357.02
  4. Step 4: Simplify right side
    11,194.57x = 129,112,629.25
  5. Step 5: Solve for x
    x = 129,112,629.25/11,194.57
  6. Step 6: Final answer
    x = 11,533.50

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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.