Home / 10,800.73-16,200.55-4,228.12

Finding the Fourth Proportional to 10,800.73, 16,200.55 and 4,228.12

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Solution

The fourth proportional to 10,800.73, 16,200.55 and 4,228.12 is: 6,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.73 : 16,200.55 = 4,228.12 : x
  2. Step 2: Convert to fraction form
    10,800.73/16,200.55 = 4,228.12/x
  3. Step 3: Cross multiply
    10,800.73x = 16,200.55 × 4,228.12
  4. Step 4: Simplify right side
    10,800.73x = 68,497,834.25
  5. Step 5: Solve for x
    x = 68,497,834.25/10,800.73
  6. Step 6: Final answer
    x = 6,341.96

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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.