Home / 11,228.63-16,842.87-2,908.62

Finding the Fourth Proportional to 11,228.63, 16,842.87 and 2,908.62

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Solution

The fourth proportional to 11,228.63, 16,842.87 and 2,908.62 is: 4,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.63 : 16,842.87 = 2,908.62 : x
  2. Step 2: Convert to fraction form
    11,228.63/16,842.87 = 2,908.62/x
  3. Step 3: Cross multiply
    11,228.63x = 16,842.87 × 2,908.62
  4. Step 4: Simplify right side
    11,228.63x = 48,989,508.54
  5. Step 5: Solve for x
    x = 48,989,508.54/11,228.63
  6. Step 6: Final answer
    x = 4,362.91

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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.