Home / 11,992.58-16,547.81-6,687.26

Finding the Fourth Proportional to 11,992.58, 16,547.81 and 6,687.26

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Solution

The fourth proportional to 11,992.58, 16,547.81 and 6,687.26 is: 9,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.58 : 16,547.81 = 6,687.26 : x
  2. Step 2: Convert to fraction form
    11,992.58/16,547.81 = 6,687.26/x
  3. Step 3: Cross multiply
    11,992.58x = 16,547.81 × 6,687.26
  4. Step 4: Simplify right side
    11,992.58x = 110,659,507.90
  5. Step 5: Solve for x
    x = 110,659,507.90/11,992.58
  6. Step 6: Final answer
    x = 9,227.33

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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.