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Finding the Fourth Proportional to 11,885.92, 17,822.73 and 5,956.45

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Solution

The fourth proportional to 11,885.92, 17,822.73 and 5,956.45 is: 8,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.92 : 17,822.73 = 5,956.45 : x
  2. Step 2: Convert to fraction form
    11,885.92/17,822.73 = 5,956.45/x
  3. Step 3: Cross multiply
    11,885.92x = 17,822.73 × 5,956.45
  4. Step 4: Simplify right side
    11,885.92x = 106,160,200.11
  5. Step 5: Solve for x
    x = 106,160,200.11/11,885.92
  6. Step 6: Final answer
    x = 8,931.59

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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.