Home / 11,013.49-16,520.60-4,092.85

Finding the Fourth Proportional to 11,013.49, 16,520.60 and 4,092.85

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Solution

The fourth proportional to 11,013.49, 16,520.60 and 4,092.85 is: 6,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.49 : 16,520.60 = 4,092.85 : x
  2. Step 2: Convert to fraction form
    11,013.49/16,520.60 = 4,092.85/x
  3. Step 3: Cross multiply
    11,013.49x = 16,520.60 × 4,092.85
  4. Step 4: Simplify right side
    11,013.49x = 67,616,337.71
  5. Step 5: Solve for x
    x = 67,616,337.71/11,013.49
  6. Step 6: Final answer
    x = 6,139.41

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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.