Home / 10,562.88-15,845.28-2,771.76

Finding the Fourth Proportional to 10,562.88, 15,845.28 and 2,771.76

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Solution

The fourth proportional to 10,562.88, 15,845.28 and 2,771.76 is: 4,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.88 : 15,845.28 = 2,771.76 : x
  2. Step 2: Convert to fraction form
    10,562.88/15,845.28 = 2,771.76/x
  3. Step 3: Cross multiply
    10,562.88x = 15,845.28 × 2,771.76
  4. Step 4: Simplify right side
    10,562.88x = 43,919,313.29
  5. Step 5: Solve for x
    x = 43,919,313.29/10,562.88
  6. Step 6: Final answer
    x = 4,157.89

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1.5x scale

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.