Home / 9,731.28-14,597.84-2,711.76

Finding the Fourth Proportional to 9,731.28, 14,597.84 and 2,711.76

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Solution

The fourth proportional to 9,731.28, 14,597.84 and 2,711.76 is: 4,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.28 : 14,597.84 = 2,711.76 : x
  2. Step 2: Convert to fraction form
    9,731.28/14,597.84 = 2,711.76/x
  3. Step 3: Cross multiply
    9,731.28x = 14,597.84 × 2,711.76
  4. Step 4: Simplify right side
    9,731.28x = 39,585,838.60
  5. Step 5: Solve for x
    x = 39,585,838.60/9,731.28
  6. Step 6: Final answer
    x = 4,067.90

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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.