Home / 8,217.06-12,323.78-2,372.40

Finding the Fourth Proportional to 8,217.06, 12,323.78 and 2,372.40

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Solution

The fourth proportional to 8,217.06, 12,323.78 and 2,372.40 is: 3,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.06 : 12,323.78 = 2,372.40 : x
  2. Step 2: Convert to fraction form
    8,217.06/12,323.78 = 2,372.40/x
  3. Step 3: Cross multiply
    8,217.06x = 12,323.78 × 2,372.40
  4. Step 4: Simplify right side
    8,217.06x = 29,236,935.67
  5. Step 5: Solve for x
    x = 29,236,935.67/8,217.06
  6. Step 6: Final answer
    x = 3,558.08

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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.