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Finding the Fourth Proportional to 9,661.43, 13,334.11 and 6,124.97

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Solution

The fourth proportional to 9,661.43, 13,334.11 and 6,124.97 is: 8,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.43 : 13,334.11 = 6,124.97 : x
  2. Step 2: Convert to fraction form
    9,661.43/13,334.11 = 6,124.97/x
  3. Step 3: Cross multiply
    9,661.43x = 13,334.11 × 6,124.97
  4. Step 4: Simplify right side
    9,661.43x = 81,670,941.74
  5. Step 5: Solve for x
    x = 81,670,941.74/9,661.43
  6. Step 6: Final answer
    x = 8,453.30

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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.