Home / 11,031.12-16,552.08-8,122.41

Finding the Fourth Proportional to 11,031.12, 16,552.08 and 8,122.41

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Solution

The fourth proportional to 11,031.12, 16,552.08 and 8,122.41 is: 12,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.12 : 16,552.08 = 8,122.41 : x
  2. Step 2: Convert to fraction form
    11,031.12/16,552.08 = 8,122.41/x
  3. Step 3: Cross multiply
    11,031.12x = 16,552.08 × 8,122.41
  4. Step 4: Simplify right side
    11,031.12x = 134,442,780.11
  5. Step 5: Solve for x
    x = 134,442,780.11/11,031.12
  6. Step 6: Final answer
    x = 12,187.59

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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.