Home / 11,922.51-16,449.25-6,886.06

Finding the Fourth Proportional to 11,922.51, 16,449.25 and 6,886.06

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Solution

The fourth proportional to 11,922.51, 16,449.25 and 6,886.06 is: 9,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.51 : 16,449.25 = 6,886.06 : x
  2. Step 2: Convert to fraction form
    11,922.51/16,449.25 = 6,886.06/x
  3. Step 3: Cross multiply
    11,922.51x = 16,449.25 × 6,886.06
  4. Step 4: Simplify right side
    11,922.51x = 113,270,522.46
  5. Step 5: Solve for x
    x = 113,270,522.46/11,922.51
  6. Step 6: Final answer
    x = 9,500.56

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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.