Home / 8,031.65-12,042.75-3,752.64

Finding the Fourth Proportional to 8,031.65, 12,042.75 and 3,752.64

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Solution

The fourth proportional to 8,031.65, 12,042.75 and 3,752.64 is: 5,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.65 : 12,042.75 = 3,752.64 : x
  2. Step 2: Convert to fraction form
    8,031.65/12,042.75 = 3,752.64/x
  3. Step 3: Cross multiply
    8,031.65x = 12,042.75 × 3,752.64
  4. Step 4: Simplify right side
    8,031.65x = 45,192,121.39
  5. Step 5: Solve for x
    x = 45,192,121.39/8,031.65
  6. Step 6: Final answer
    x = 5,626.75

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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.