Home / 11,449.28-17,152.38-8,976.60

Finding the Fourth Proportional to 11,449.28, 17,152.38 and 8,976.60

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Solution

The fourth proportional to 11,449.28, 17,152.38 and 8,976.60 is: 13,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.28 : 17,152.38 = 8,976.60 : x
  2. Step 2: Convert to fraction form
    11,449.28/17,152.38 = 8,976.60/x
  3. Step 3: Cross multiply
    11,449.28x = 17,152.38 × 8,976.60
  4. Step 4: Simplify right side
    11,449.28x = 153,970,054.31
  5. Step 5: Solve for x
    x = 153,970,054.31/11,449.28
  6. Step 6: Final answer
    x = 13,448.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.