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Finding the Fourth Proportional to 8,956.71, 12,360.60 and 6,714.63

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Solution

The fourth proportional to 8,956.71, 12,360.60 and 6,714.63 is: 9,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.71 : 12,360.60 = 6,714.63 : x
  2. Step 2: Convert to fraction form
    8,956.71/12,360.60 = 6,714.63/x
  3. Step 3: Cross multiply
    8,956.71x = 12,360.60 × 6,714.63
  4. Step 4: Simplify right side
    8,956.71x = 82,996,855.58
  5. Step 5: Solve for x
    x = 82,996,855.58/8,956.71
  6. Step 6: Final answer
    x = 9,266.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.