Home / 10,018.88-15,022.32-4,469.44

Finding the Fourth Proportional to 10,018.88, 15,022.32 and 4,469.44

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Solution

The fourth proportional to 10,018.88, 15,022.32 and 4,469.44 is: 6,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.88 : 15,022.32 = 4,469.44 : x
  2. Step 2: Convert to fraction form
    10,018.88/15,022.32 = 4,469.44/x
  3. Step 3: Cross multiply
    10,018.88x = 15,022.32 × 4,469.44
  4. Step 4: Simplify right side
    10,018.88x = 67,141,357.90
  5. Step 5: Solve for x
    x = 67,141,357.90/10,018.88
  6. Step 6: Final answer
    x = 6,701.48

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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.