Home / 8,664.17-11,956.21-4,886.73

Finding the Fourth Proportional to 8,664.17, 11,956.21 and 4,886.73

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Solution

The fourth proportional to 8,664.17, 11,956.21 and 4,886.73 is: 6,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.17 : 11,956.21 = 4,886.73 : x
  2. Step 2: Convert to fraction form
    8,664.17/11,956.21 = 4,886.73/x
  3. Step 3: Cross multiply
    8,664.17x = 11,956.21 × 4,886.73
  4. Step 4: Simplify right side
    8,664.17x = 58,426,757.88
  5. Step 5: Solve for x
    x = 58,426,757.88/8,664.17
  6. Step 6: Final answer
    x = 6,743.50

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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.