Home / 9,180.53-12,668.42-5,202.27

Finding the Fourth Proportional to 9,180.53, 12,668.42 and 5,202.27

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Solution

The fourth proportional to 9,180.53, 12,668.42 and 5,202.27 is: 7,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.53 : 12,668.42 = 5,202.27 : x
  2. Step 2: Convert to fraction form
    9,180.53/12,668.42 = 5,202.27/x
  3. Step 3: Cross multiply
    9,180.53x = 12,668.42 × 5,202.27
  4. Step 4: Simplify right side
    9,180.53x = 65,904,451.96
  5. Step 5: Solve for x
    x = 65,904,451.96/9,180.53
  6. Step 6: Final answer
    x = 7,178.72

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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.