Home / 11,252.12-16,878.45-3,461

Finding the Fourth Proportional to 11,252.12, 16,878.45 and 3,461

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Solution

The fourth proportional to 11,252.12, 16,878.45 and 3,461 is: 5,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.12 : 16,878.45 = 3,461 : x
  2. Step 2: Convert to fraction form
    11,252.12/16,878.45 = 3,461/x
  3. Step 3: Cross multiply
    11,252.12x = 16,878.45 × 3,461
  4. Step 4: Simplify right side
    11,252.12x = 58,416,315.45
  5. Step 5: Solve for x
    x = 58,416,315.45/11,252.12
  6. Step 6: Final answer
    x = 5,191.58

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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.