Home / 8,530.91-11,772.64-4,994.79

Finding the Fourth Proportional to 8,530.91, 11,772.64 and 4,994.79

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Solution

The fourth proportional to 8,530.91, 11,772.64 and 4,994.79 is: 6,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.91 : 11,772.64 = 4,994.79 : x
  2. Step 2: Convert to fraction form
    8,530.91/11,772.64 = 4,994.79/x
  3. Step 3: Cross multiply
    8,530.91x = 11,772.64 × 4,994.79
  4. Step 4: Simplify right side
    8,530.91x = 58,801,864.55
  5. Step 5: Solve for x
    x = 58,801,864.55/8,530.91
  6. Step 6: Final answer
    x = 6,892.80

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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.