Home / 11,263.40-16,898.70-3,872.60

Finding the Fourth Proportional to 11,263.40, 16,898.70 and 3,872.60

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Solution

The fourth proportional to 11,263.40, 16,898.70 and 3,872.60 is: 5,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.40 : 16,898.70 = 3,872.60 : x
  2. Step 2: Convert to fraction form
    11,263.40/16,898.70 = 3,872.60/x
  3. Step 3: Cross multiply
    11,263.40x = 16,898.70 × 3,872.60
  4. Step 4: Simplify right side
    11,263.40x = 65,441,905.62
  5. Step 5: Solve for x
    x = 65,441,905.62/11,263.40
  6. Step 6: Final answer
    x = 5,810.14

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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.