Home / 9,717.60-14,577.84-3,142.56

Finding the Fourth Proportional to 9,717.60, 14,577.84 and 3,142.56

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Solution

The fourth proportional to 9,717.60, 14,577.84 and 3,142.56 is: 4,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.60 : 14,577.84 = 3,142.56 : x
  2. Step 2: Convert to fraction form
    9,717.60/14,577.84 = 3,142.56/x
  3. Step 3: Cross multiply
    9,717.60x = 14,577.84 × 3,142.56
  4. Step 4: Simplify right side
    9,717.60x = 45,811,736.87
  5. Step 5: Solve for x
    x = 45,811,736.87/9,717.60
  6. Step 6: Final answer
    x = 4,714.31

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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.