Home / 11,922.48-16,453.44-6,617.88

Finding the Fourth Proportional to 11,922.48, 16,453.44 and 6,617.88

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Solution

The fourth proportional to 11,922.48, 16,453.44 and 6,617.88 is: 9,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.48 : 16,453.44 = 6,617.88 : x
  2. Step 2: Convert to fraction form
    11,922.48/16,453.44 = 6,617.88/x
  3. Step 3: Cross multiply
    11,922.48x = 16,453.44 × 6,617.88
  4. Step 4: Simplify right side
    11,922.48x = 108,886,891.51
  5. Step 5: Solve for x
    x = 108,886,891.51/11,922.48
  6. Step 6: Final answer
    x = 9,132.91

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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.