Home / 11,153.46-16,731-3,362.88

Finding the Fourth Proportional to 11,153.46, 16,731 and 3,362.88

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Solution

The fourth proportional to 11,153.46, 16,731 and 3,362.88 is: 5,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.46 : 16,731 = 3,362.88 : x
  2. Step 2: Convert to fraction form
    11,153.46/16,731 = 3,362.88/x
  3. Step 3: Cross multiply
    11,153.46x = 16,731 × 3,362.88
  4. Step 4: Simplify right side
    11,153.46x = 56,264,345.28
  5. Step 5: Solve for x
    x = 56,264,345.28/11,153.46
  6. Step 6: Final answer
    x = 5,044.56

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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.