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Finding the Fourth Proportional to 7,885.71, 11,793.06 and 7,013.34

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Solution

The fourth proportional to 7,885.71, 11,793.06 and 7,013.34 is: 10,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.71 : 11,793.06 = 7,013.34 : x
  2. Step 2: Convert to fraction form
    7,885.71/11,793.06 = 7,013.34/x
  3. Step 3: Cross multiply
    7,885.71x = 11,793.06 × 7,013.34
  4. Step 4: Simplify right side
    7,885.71x = 82,708,739.42
  5. Step 5: Solve for x
    x = 82,708,739.42/7,885.71
  6. Step 6: Final answer
    x = 10,488.43

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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.