Home / 11,217.87-16,807.05-9,996.15

Finding the Fourth Proportional to 11,217.87, 16,807.05 and 9,996.15

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Solution

The fourth proportional to 11,217.87, 16,807.05 and 9,996.15 is: 14,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.87 : 16,807.05 = 9,996.15 : x
  2. Step 2: Convert to fraction form
    11,217.87/16,807.05 = 9,996.15/x
  3. Step 3: Cross multiply
    11,217.87x = 16,807.05 × 9,996.15
  4. Step 4: Simplify right side
    11,217.87x = 168,005,792.86
  5. Step 5: Solve for x
    x = 168,005,792.86/11,217.87
  6. Step 6: Final answer
    x = 14,976.62

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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.