Home / 8,031.70-12,043.16-4,474.90

Finding the Fourth Proportional to 8,031.70, 12,043.16 and 4,474.90

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Solution

The fourth proportional to 8,031.70, 12,043.16 and 4,474.90 is: 6,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.70 : 12,043.16 = 4,474.90 : x
  2. Step 2: Convert to fraction form
    8,031.70/12,043.16 = 4,474.90/x
  3. Step 3: Cross multiply
    8,031.70x = 12,043.16 × 4,474.90
  4. Step 4: Simplify right side
    8,031.70x = 53,891,936.68
  5. Step 5: Solve for x
    x = 53,891,936.68/8,031.70
  6. Step 6: Final answer
    x = 6,709.90

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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.