Home / 10,563.84-15,845.76-2,772

Finding the Fourth Proportional to 10,563.84, 15,845.76 and 2,772

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Solution

The fourth proportional to 10,563.84, 15,845.76 and 2,772 is: 4,158

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.84 : 15,845.76 = 2,772 : x
  2. Step 2: Convert to fraction form
    10,563.84/15,845.76 = 2,772/x
  3. Step 3: Cross multiply
    10,563.84x = 15,845.76 × 2,772
  4. Step 4: Simplify right side
    10,563.84x = 43,924,446.72
  5. Step 5: Solve for x
    x = 43,924,446.72/10,563.84
  6. Step 6: Final answer
    x = 4,158

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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.