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Finding the Fourth Proportional to 8,325.93, 12,494.97 and 6,140.55

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Solution

The fourth proportional to 8,325.93, 12,494.97 and 6,140.55 is: 9,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.93 : 12,494.97 = 6,140.55 : x
  2. Step 2: Convert to fraction form
    8,325.93/12,494.97 = 6,140.55/x
  3. Step 3: Cross multiply
    8,325.93x = 12,494.97 × 6,140.55
  4. Step 4: Simplify right side
    8,325.93x = 76,725,988.03
  5. Step 5: Solve for x
    x = 76,725,988.03/8,325.93
  6. Step 6: Final answer
    x = 9,215.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.