Home / 11,218.48-15,481.44-6,113.99

Finding the Fourth Proportional to 11,218.48, 15,481.44 and 6,113.99

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Solution

The fourth proportional to 11,218.48, 15,481.44 and 6,113.99 is: 8,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.48 : 15,481.44 = 6,113.99 : x
  2. Step 2: Convert to fraction form
    11,218.48/15,481.44 = 6,113.99/x
  3. Step 3: Cross multiply
    11,218.48x = 15,481.44 × 6,113.99
  4. Step 4: Simplify right side
    11,218.48x = 94,653,399.45
  5. Step 5: Solve for x
    x = 94,653,399.45/11,218.48
  6. Step 6: Final answer
    x = 8,437.27

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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.