Home / 11,453.40-17,170.10-4,438.20

Finding the Fourth Proportional to 11,453.40, 17,170.10 and 4,438.20

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Solution

The fourth proportional to 11,453.40, 17,170.10 and 4,438.20 is: 6,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.40 : 17,170.10 = 4,438.20 : x
  2. Step 2: Convert to fraction form
    11,453.40/17,170.10 = 4,438.20/x
  3. Step 3: Cross multiply
    11,453.40x = 17,170.10 × 4,438.20
  4. Step 4: Simplify right side
    11,453.40x = 76,204,337.82
  5. Step 5: Solve for x
    x = 76,204,337.82/11,453.40
  6. Step 6: Final answer
    x = 6,653.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.