Home / 10,460.42-14,431.91-6,212.78

Finding the Fourth Proportional to 10,460.42, 14,431.91 and 6,212.78

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Solution

The fourth proportional to 10,460.42, 14,431.91 and 6,212.78 is: 8,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.42 : 14,431.91 = 6,212.78 : x
  2. Step 2: Convert to fraction form
    10,460.42/14,431.91 = 6,212.78/x
  3. Step 3: Cross multiply
    10,460.42x = 14,431.91 × 6,212.78
  4. Step 4: Simplify right side
    10,460.42x = 89,662,286.83
  5. Step 5: Solve for x
    x = 89,662,286.83/10,460.42
  6. Step 6: Final answer
    x = 8,571.57

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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.