Home / 12,126.79-16,735.22-7,094.86

Finding the Fourth Proportional to 12,126.79, 16,735.22 and 7,094.86

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Solution

The fourth proportional to 12,126.79, 16,735.22 and 7,094.86 is: 9,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.79 : 16,735.22 = 7,094.86 : x
  2. Step 2: Convert to fraction form
    12,126.79/16,735.22 = 7,094.86/x
  3. Step 3: Cross multiply
    12,126.79x = 16,735.22 × 7,094.86
  4. Step 4: Simplify right side
    12,126.79x = 118,734,042.97
  5. Step 5: Solve for x
    x = 118,734,042.97/12,126.79
  6. Step 6: Final answer
    x = 9,791.05

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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.