Home / 12,111.26-16,714.35-6,734.34

Finding the Fourth Proportional to 12,111.26, 16,714.35 and 6,734.34

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Solution

The fourth proportional to 12,111.26, 16,714.35 and 6,734.34 is: 9,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111.26 : 16,714.35 = 6,734.34 : x
  2. Step 2: Convert to fraction form
    12,111.26/16,714.35 = 6,734.34/x
  3. Step 3: Cross multiply
    12,111.26x = 16,714.35 × 6,734.34
  4. Step 4: Simplify right side
    12,111.26x = 112,560,115.78
  5. Step 5: Solve for x
    x = 112,560,115.78/12,111.26
  6. Step 6: Final answer
    x = 9,293.84

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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.