Home / 12,091.91-16,686.38-6,714.59

Finding the Fourth Proportional to 12,091.91, 16,686.38 and 6,714.59

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Solution

The fourth proportional to 12,091.91, 16,686.38 and 6,714.59 is: 9,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.91 : 16,686.38 = 6,714.59 : x
  2. Step 2: Convert to fraction form
    12,091.91/16,686.38 = 6,714.59/x
  3. Step 3: Cross multiply
    12,091.91x = 16,686.38 × 6,714.59
  4. Step 4: Simplify right side
    12,091.91x = 112,042,083.28
  5. Step 5: Solve for x
    x = 112,042,083.28/12,091.91
  6. Step 6: Final answer
    x = 9,265.88

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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.