Home / 8,214.54-12,322.65-2,372.04

Finding the Fourth Proportional to 8,214.54, 12,322.65 and 2,372.04

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Solution

The fourth proportional to 8,214.54, 12,322.65 and 2,372.04 is: 3,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.54 : 12,322.65 = 2,372.04 : x
  2. Step 2: Convert to fraction form
    8,214.54/12,322.65 = 2,372.04/x
  3. Step 3: Cross multiply
    8,214.54x = 12,322.65 × 2,372.04
  4. Step 4: Simplify right side
    8,214.54x = 29,229,818.71
  5. Step 5: Solve for x
    x = 29,229,818.71/8,214.54
  6. Step 6: Final answer
    x = 3,558.30

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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.