Home / 11,029.78-16,545.21-4,455.15

Finding the Fourth Proportional to 11,029.78, 16,545.21 and 4,455.15

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Solution

The fourth proportional to 11,029.78, 16,545.21 and 4,455.15 is: 6,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.78 : 16,545.21 = 4,455.15 : x
  2. Step 2: Convert to fraction form
    11,029.78/16,545.21 = 4,455.15/x
  3. Step 3: Cross multiply
    11,029.78x = 16,545.21 × 4,455.15
  4. Step 4: Simplify right side
    11,029.78x = 73,711,392.33
  5. Step 5: Solve for x
    x = 73,711,392.33/11,029.78
  6. Step 6: Final answer
    x = 6,682.94

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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.