Home / 8,606.17-11,869.81-5,772.61

Finding the Fourth Proportional to 8,606.17, 11,869.81 and 5,772.61

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Solution

The fourth proportional to 8,606.17, 11,869.81 and 5,772.61 is: 7,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.17 : 11,869.81 = 5,772.61 : x
  2. Step 2: Convert to fraction form
    8,606.17/11,869.81 = 5,772.61/x
  3. Step 3: Cross multiply
    8,606.17x = 11,869.81 × 5,772.61
  4. Step 4: Simplify right side
    8,606.17x = 68,519,783.90
  5. Step 5: Solve for x
    x = 68,519,783.90/8,606.17
  6. Step 6: Final answer
    x = 7,961.70

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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.