Home / 10,562.76-15,844.20-2,771.40

Finding the Fourth Proportional to 10,562.76, 15,844.20 and 2,771.40

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Solution

The fourth proportional to 10,562.76, 15,844.20 and 2,771.40 is: 4,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.76 : 15,844.20 = 2,771.40 : x
  2. Step 2: Convert to fraction form
    10,562.76/15,844.20 = 2,771.40/x
  3. Step 3: Cross multiply
    10,562.76x = 15,844.20 × 2,771.40
  4. Step 4: Simplify right side
    10,562.76x = 43,910,615.88
  5. Step 5: Solve for x
    x = 43,910,615.88/10,562.76
  6. Step 6: Final answer
    x = 4,157.12

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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.