Home / 11,656.56-17,481.36-4,259.30

Finding the Fourth Proportional to 11,656.56, 17,481.36 and 4,259.30

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Solution

The fourth proportional to 11,656.56, 17,481.36 and 4,259.30 is: 6,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.56 : 17,481.36 = 4,259.30 : x
  2. Step 2: Convert to fraction form
    11,656.56/17,481.36 = 4,259.30/x
  3. Step 3: Cross multiply
    11,656.56x = 17,481.36 × 4,259.30
  4. Step 4: Simplify right side
    11,656.56x = 74,458,416.32
  5. Step 5: Solve for x
    x = 74,458,416.32/11,656.56
  6. Step 6: Final answer
    x = 6,387.68

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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.