Home / 8,623.14-12,956.58-5,504.64

Finding the Fourth Proportional to 8,623.14, 12,956.58 and 5,504.64

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Solution

The fourth proportional to 8,623.14, 12,956.58 and 5,504.64 is: 8,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.14 : 12,956.58 = 5,504.64 : x
  2. Step 2: Convert to fraction form
    8,623.14/12,956.58 = 5,504.64/x
  3. Step 3: Cross multiply
    8,623.14x = 12,956.58 × 5,504.64
  4. Step 4: Simplify right side
    8,623.14x = 71,321,308.53
  5. Step 5: Solve for x
    x = 71,321,308.53/8,623.14
  6. Step 6: Final answer
    x = 8,270.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.