Home / 8,664.48-11,956.69-4,887.74

Finding the Fourth Proportional to 8,664.48, 11,956.69 and 4,887.74

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Solution

The fourth proportional to 8,664.48, 11,956.69 and 4,887.74 is: 6,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.48 : 11,956.69 = 4,887.74 : x
  2. Step 2: Convert to fraction form
    8,664.48/11,956.69 = 4,887.74/x
  3. Step 3: Cross multiply
    8,664.48x = 11,956.69 × 4,887.74
  4. Step 4: Simplify right side
    8,664.48x = 58,441,191.98
  5. Step 5: Solve for x
    x = 58,441,191.98/8,664.48
  6. Step 6: Final answer
    x = 6,744.92

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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.