Home / 9,716.26-13,459.21-9,519.42

Finding the Fourth Proportional to 9,716.26, 13,459.21 and 9,519.42

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Solution

The fourth proportional to 9,716.26, 13,459.21 and 9,519.42 is: 13,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.26 : 13,459.21 = 9,519.42 : x
  2. Step 2: Convert to fraction form
    9,716.26/13,459.21 = 9,519.42/x
  3. Step 3: Cross multiply
    9,716.26x = 13,459.21 × 9,519.42
  4. Step 4: Simplify right side
    9,716.26x = 128,123,872.86
  5. Step 5: Solve for x
    x = 128,123,872.86/9,716.26
  6. Step 6: Final answer
    x = 13,186.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.