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Finding the Fourth Proportional to 8,127.64, 12,178.68 and 5,926.24

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Solution

The fourth proportional to 8,127.64, 12,178.68 and 5,926.24 is: 8,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.64 : 12,178.68 = 5,926.24 : x
  2. Step 2: Convert to fraction form
    8,127.64/12,178.68 = 5,926.24/x
  3. Step 3: Cross multiply
    8,127.64x = 12,178.68 × 5,926.24
  4. Step 4: Simplify right side
    8,127.64x = 72,173,780.56
  5. Step 5: Solve for x
    x = 72,173,780.56/8,127.64
  6. Step 6: Final answer
    x = 8,880.04

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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.