Home / 11,031.20-16,537.50-4,786.51

Finding the Fourth Proportional to 11,031.20, 16,537.50 and 4,786.51

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Solution

The fourth proportional to 11,031.20, 16,537.50 and 4,786.51 is: 7,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.20 : 16,537.50 = 4,786.51 : x
  2. Step 2: Convert to fraction form
    11,031.20/16,537.50 = 4,786.51/x
  3. Step 3: Cross multiply
    11,031.20x = 16,537.50 × 4,786.51
  4. Step 4: Simplify right side
    11,031.20x = 79,156,909.13
  5. Step 5: Solve for x
    x = 79,156,909.13/11,031.20
  6. Step 6: Final answer
    x = 7,175.73

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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.