Home / 8,562.10-12,841.35-3,631.90

Finding the Fourth Proportional to 8,562.10, 12,841.35 and 3,631.90

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Solution

The fourth proportional to 8,562.10, 12,841.35 and 3,631.90 is: 5,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.10 : 12,841.35 = 3,631.90 : x
  2. Step 2: Convert to fraction form
    8,562.10/12,841.35 = 3,631.90/x
  3. Step 3: Cross multiply
    8,562.10x = 12,841.35 × 3,631.90
  4. Step 4: Simplify right side
    8,562.10x = 46,638,499.07
  5. Step 5: Solve for x
    x = 46,638,499.07/8,562.10
  6. Step 6: Final answer
    x = 5,447.09

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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.