Home / 8,407.10-12,609.30-2,562.35

Finding the Fourth Proportional to 8,407.10, 12,609.30 and 2,562.35

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Solution

The fourth proportional to 8,407.10, 12,609.30 and 2,562.35 is: 3,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.10 : 12,609.30 = 2,562.35 : x
  2. Step 2: Convert to fraction form
    8,407.10/12,609.30 = 2,562.35/x
  3. Step 3: Cross multiply
    8,407.10x = 12,609.30 × 2,562.35
  4. Step 4: Simplify right side
    8,407.10x = 32,309,439.86
  5. Step 5: Solve for x
    x = 32,309,439.86/8,407.10
  6. Step 6: Final answer
    x = 3,843.11

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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.