Home / 11,193.40-16,787.10-3,400.12

Finding the Fourth Proportional to 11,193.40, 16,787.10 and 3,400.12

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Solution

The fourth proportional to 11,193.40, 16,787.10 and 3,400.12 is: 5,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.40 : 16,787.10 = 3,400.12 : x
  2. Step 2: Convert to fraction form
    11,193.40/16,787.10 = 3,400.12/x
  3. Step 3: Cross multiply
    11,193.40x = 16,787.10 × 3,400.12
  4. Step 4: Simplify right side
    11,193.40x = 57,078,154.45
  5. Step 5: Solve for x
    x = 57,078,154.45/11,193.40
  6. Step 6: Final answer
    x = 5,099.27

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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.