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Finding the Fourth Proportional to 8,839.94, 12,190.06 and 5,854.68

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Solution

The fourth proportional to 8,839.94, 12,190.06 and 5,854.68 is: 8,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.94 : 12,190.06 = 5,854.68 : x
  2. Step 2: Convert to fraction form
    8,839.94/12,190.06 = 5,854.68/x
  3. Step 3: Cross multiply
    8,839.94x = 12,190.06 × 5,854.68
  4. Step 4: Simplify right side
    8,839.94x = 71,368,900.48
  5. Step 5: Solve for x
    x = 71,368,900.48/8,839.94
  6. Step 6: Final answer
    x = 8,073.46

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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.