Home / 8,261.10-12,391.75-2,417.83

Finding the Fourth Proportional to 8,261.10, 12,391.75 and 2,417.83

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Solution

The fourth proportional to 8,261.10, 12,391.75 and 2,417.83 is: 3,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.10 : 12,391.75 = 2,417.83 : x
  2. Step 2: Convert to fraction form
    8,261.10/12,391.75 = 2,417.83/x
  3. Step 3: Cross multiply
    8,261.10x = 12,391.75 × 2,417.83
  4. Step 4: Simplify right side
    8,261.10x = 29,961,144.90
  5. Step 5: Solve for x
    x = 29,961,144.90/8,261.10
  6. Step 6: Final answer
    x = 3,626.77

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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.