Home / 11,961.51-16,506.77-6,656.24

Finding the Fourth Proportional to 11,961.51, 16,506.77 and 6,656.24

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Solution

The fourth proportional to 11,961.51, 16,506.77 and 6,656.24 is: 9,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.51 : 16,506.77 = 6,656.24 : x
  2. Step 2: Convert to fraction form
    11,961.51/16,506.77 = 6,656.24/x
  3. Step 3: Cross multiply
    11,961.51x = 16,506.77 × 6,656.24
  4. Step 4: Simplify right side
    11,961.51x = 109,872,906.93
  5. Step 5: Solve for x
    x = 109,872,906.93/11,961.51
  6. Step 6: Final answer
    x = 9,185.54

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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.