Home / 10,790.06-16,188.96-4,220.96

Finding the Fourth Proportional to 10,790.06, 16,188.96 and 4,220.96

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Solution

The fourth proportional to 10,790.06, 16,188.96 and 4,220.96 is: 6,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.06 : 16,188.96 = 4,220.96 : x
  2. Step 2: Convert to fraction form
    10,790.06/16,188.96 = 4,220.96/x
  3. Step 3: Cross multiply
    10,790.06x = 16,188.96 × 4,220.96
  4. Step 4: Simplify right side
    10,790.06x = 68,332,952.60
  5. Step 5: Solve for x
    x = 68,332,952.60/10,790.06
  6. Step 6: Final answer
    x = 6,332.95

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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.