Home / 10,821.41-14,933.43-6,105.71

Finding the Fourth Proportional to 10,821.41, 14,933.43 and 6,105.71

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Solution

The fourth proportional to 10,821.41, 14,933.43 and 6,105.71 is: 8,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.41 : 14,933.43 = 6,105.71 : x
  2. Step 2: Convert to fraction form
    10,821.41/14,933.43 = 6,105.71/x
  3. Step 3: Cross multiply
    10,821.41x = 14,933.43 × 6,105.71
  4. Step 4: Simplify right side
    10,821.41x = 91,179,192.89
  5. Step 5: Solve for x
    x = 91,179,192.89/10,821.41
  6. Step 6: Final answer
    x = 8,425.81

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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.