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Finding the Fourth Proportional to 11,246.80, 16,866.15 and 5,698.30

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Solution

The fourth proportional to 11,246.80, 16,866.15 and 5,698.30 is: 8,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.80 : 16,866.15 = 5,698.30 : x
  2. Step 2: Convert to fraction form
    11,246.80/16,866.15 = 5,698.30/x
  3. Step 3: Cross multiply
    11,246.80x = 16,866.15 × 5,698.30
  4. Step 4: Simplify right side
    11,246.80x = 96,108,382.55
  5. Step 5: Solve for x
    x = 96,108,382.55/11,246.80
  6. Step 6: Final answer
    x = 8,545.40

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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.