Home / 12,126.52-16,734.35-7,093.72

Finding the Fourth Proportional to 12,126.52, 16,734.35 and 7,093.72

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Solution

The fourth proportional to 12,126.52, 16,734.35 and 7,093.72 is: 9,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.52 : 16,734.35 = 7,093.72 : x
  2. Step 2: Convert to fraction form
    12,126.52/16,734.35 = 7,093.72/x
  3. Step 3: Cross multiply
    12,126.52x = 16,734.35 × 7,093.72
  4. Step 4: Simplify right side
    12,126.52x = 118,708,793.28
  5. Step 5: Solve for x
    x = 118,708,793.28/12,126.52
  6. Step 6: Final answer
    x = 9,789.19

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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.