Home / 12,031.32-16,604.10-6,725.80

Finding the Fourth Proportional to 12,031.32, 16,604.10 and 6,725.80

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Solution

The fourth proportional to 12,031.32, 16,604.10 and 6,725.80 is: 9,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.32 : 16,604.10 = 6,725.80 : x
  2. Step 2: Convert to fraction form
    12,031.32/16,604.10 = 6,725.80/x
  3. Step 3: Cross multiply
    12,031.32x = 16,604.10 × 6,725.80
  4. Step 4: Simplify right side
    12,031.32x = 111,675,855.78
  5. Step 5: Solve for x
    x = 111,675,855.78/12,031.32
  6. Step 6: Final answer
    x = 9,282.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.