Home / 10,997.70-15,176.91-6,217.41

Finding the Fourth Proportional to 10,997.70, 15,176.91 and 6,217.41

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Solution

The fourth proportional to 10,997.70, 15,176.91 and 6,217.41 is: 8,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.70 : 15,176.91 = 6,217.41 : x
  2. Step 2: Convert to fraction form
    10,997.70/15,176.91 = 6,217.41/x
  3. Step 3: Cross multiply
    10,997.70x = 15,176.91 × 6,217.41
  4. Step 4: Simplify right side
    10,997.70x = 94,361,072.00
  5. Step 5: Solve for x
    x = 94,361,072.00/10,997.70
  6. Step 6: Final answer
    x = 8,580.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.