Home / 10,198.89-14,077.44-6,662.61

Finding the Fourth Proportional to 10,198.89, 14,077.44 and 6,662.61

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Solution

The fourth proportional to 10,198.89, 14,077.44 and 6,662.61 is: 9,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.89 : 14,077.44 = 6,662.61 : x
  2. Step 2: Convert to fraction form
    10,198.89/14,077.44 = 6,662.61/x
  3. Step 3: Cross multiply
    10,198.89x = 14,077.44 × 6,662.61
  4. Step 4: Simplify right side
    10,198.89x = 93,792,492.52
  5. Step 5: Solve for x
    x = 93,792,492.52/10,198.89
  6. Step 6: Final answer
    x = 9,196.34

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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.