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Finding the Fourth Proportional to 8,586.64, 12,857.94 and 5,950.40

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Solution

The fourth proportional to 8,586.64, 12,857.94 and 5,950.40 is: 8,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.64 : 12,857.94 = 5,950.40 : x
  2. Step 2: Convert to fraction form
    8,586.64/12,857.94 = 5,950.40/x
  3. Step 3: Cross multiply
    8,586.64x = 12,857.94 × 5,950.40
  4. Step 4: Simplify right side
    8,586.64x = 76,509,886.18
  5. Step 5: Solve for x
    x = 76,509,886.18/8,586.64
  6. Step 6: Final answer
    x = 8,910.34

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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.