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Finding the Fourth Proportional to 6,873.42, 10,281.11 and 6,374.87

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Solution

The fourth proportional to 6,873.42, 10,281.11 and 6,374.87 is: 9,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.42 : 10,281.11 = 6,374.87 : x
  2. Step 2: Convert to fraction form
    6,873.42/10,281.11 = 6,374.87/x
  3. Step 3: Cross multiply
    6,873.42x = 10,281.11 × 6,374.87
  4. Step 4: Simplify right side
    6,873.42x = 65,540,656.43
  5. Step 5: Solve for x
    x = 65,540,656.43/6,873.42
  6. Step 6: Final answer
    x = 9,535.38

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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.