Home / 11,260.45-15,538.74-6,224.36

Finding the Fourth Proportional to 11,260.45, 15,538.74 and 6,224.36

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Solution

The fourth proportional to 11,260.45, 15,538.74 and 6,224.36 is: 8,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.45 : 15,538.74 = 6,224.36 : x
  2. Step 2: Convert to fraction form
    11,260.45/15,538.74 = 6,224.36/x
  3. Step 3: Cross multiply
    11,260.45x = 15,538.74 × 6,224.36
  4. Step 4: Simplify right side
    11,260.45x = 96,718,733.09
  5. Step 5: Solve for x
    x = 96,718,733.09/11,260.45
  6. Step 6: Final answer
    x = 8,589.25

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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.