Home / 11,249.53-15,527.35-6,469.99

Finding the Fourth Proportional to 11,249.53, 15,527.35 and 6,469.99

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Solution

The fourth proportional to 11,249.53, 15,527.35 and 6,469.99 is: 8,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.53 : 15,527.35 = 6,469.99 : x
  2. Step 2: Convert to fraction form
    11,249.53/15,527.35 = 6,469.99/x
  3. Step 3: Cross multiply
    11,249.53x = 15,527.35 × 6,469.99
  4. Step 4: Simplify right side
    11,249.53x = 100,461,799.23
  5. Step 5: Solve for x
    x = 100,461,799.23/11,249.53
  6. Step 6: Final answer
    x = 8,930.31

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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.