Home / 9,173.21-12,659.66-5,194.35

Finding the Fourth Proportional to 9,173.21, 12,659.66 and 5,194.35

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Solution

The fourth proportional to 9,173.21, 12,659.66 and 5,194.35 is: 7,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.21 : 12,659.66 = 5,194.35 : x
  2. Step 2: Convert to fraction form
    9,173.21/12,659.66 = 5,194.35/x
  3. Step 3: Cross multiply
    9,173.21x = 12,659.66 × 5,194.35
  4. Step 4: Simplify right side
    9,173.21x = 65,758,678.95
  5. Step 5: Solve for x
    x = 65,758,678.95/9,173.21
  6. Step 6: Final answer
    x = 7,168.56

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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.