Home / 11,228.68-16,838.70-5,671

Finding the Fourth Proportional to 11,228.68, 16,838.70 and 5,671

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Solution

The fourth proportional to 11,228.68, 16,838.70 and 5,671 is: 8,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.68 : 16,838.70 = 5,671 : x
  2. Step 2: Convert to fraction form
    11,228.68/16,838.70 = 5,671/x
  3. Step 3: Cross multiply
    11,228.68x = 16,838.70 × 5,671
  4. Step 4: Simplify right side
    11,228.68x = 95,492,267.70
  5. Step 5: Solve for x
    x = 95,492,267.70/11,228.68
  6. Step 6: Final answer
    x = 8,504.32

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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.