Home / 11,200.56-16,800.92-3,409.36

Finding the Fourth Proportional to 11,200.56, 16,800.92 and 3,409.36

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Solution

The fourth proportional to 11,200.56, 16,800.92 and 3,409.36 is: 5,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.56 : 16,800.92 = 3,409.36 : x
  2. Step 2: Convert to fraction form
    11,200.56/16,800.92 = 3,409.36/x
  3. Step 3: Cross multiply
    11,200.56x = 16,800.92 × 3,409.36
  4. Step 4: Simplify right side
    11,200.56x = 57,280,384.61
  5. Step 5: Solve for x
    x = 57,280,384.61/11,200.56
  6. Step 6: Final answer
    x = 5,114.06

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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.