Home / 9,334.08-12,881.34-5,142.42

Finding the Fourth Proportional to 9,334.08, 12,881.34 and 5,142.42

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Solution

The fourth proportional to 9,334.08, 12,881.34 and 5,142.42 is: 7,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.08 : 12,881.34 = 5,142.42 : x
  2. Step 2: Convert to fraction form
    9,334.08/12,881.34 = 5,142.42/x
  3. Step 3: Cross multiply
    9,334.08x = 12,881.34 × 5,142.42
  4. Step 4: Simplify right side
    9,334.08x = 66,241,260.44
  5. Step 5: Solve for x
    x = 66,241,260.44/9,334.08
  6. Step 6: Final answer
    x = 7,096.71

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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.