Home / 12,031.27-18,047.04-3,711.22

Finding the Fourth Proportional to 12,031.27, 18,047.04 and 3,711.22

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Solution

The fourth proportional to 12,031.27, 18,047.04 and 3,711.22 is: 5,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.27 : 18,047.04 = 3,711.22 : x
  2. Step 2: Convert to fraction form
    12,031.27/18,047.04 = 3,711.22/x
  3. Step 3: Cross multiply
    12,031.27x = 18,047.04 × 3,711.22
  4. Step 4: Simplify right side
    12,031.27x = 66,976,535.79
  5. Step 5: Solve for x
    x = 66,976,535.79/12,031.27
  6. Step 6: Final answer
    x = 5,566.87

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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.