Home / 8,031.46-12,048.10-2,188.12

Finding the Fourth Proportional to 8,031.46, 12,048.10 and 2,188.12

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Solution

The fourth proportional to 8,031.46, 12,048.10 and 2,188.12 is: 3,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.46 : 12,048.10 = 2,188.12 : x
  2. Step 2: Convert to fraction form
    8,031.46/12,048.10 = 2,188.12/x
  3. Step 3: Cross multiply
    8,031.46x = 12,048.10 × 2,188.12
  4. Step 4: Simplify right side
    8,031.46x = 26,362,688.57
  5. Step 5: Solve for x
    x = 26,362,688.57/8,031.46
  6. Step 6: Final answer
    x = 3,282.43

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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.