Home / 11,354.91-17,031.67-4,237.77

Finding the Fourth Proportional to 11,354.91, 17,031.67 and 4,237.77

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Solution

The fourth proportional to 11,354.91, 17,031.67 and 4,237.77 is: 6,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.91 : 17,031.67 = 4,237.77 : x
  2. Step 2: Convert to fraction form
    11,354.91/17,031.67 = 4,237.77/x
  3. Step 3: Cross multiply
    11,354.91x = 17,031.67 × 4,237.77
  4. Step 4: Simplify right side
    11,354.91x = 72,176,233.66
  5. Step 5: Solve for x
    x = 72,176,233.66/11,354.91
  6. Step 6: Final answer
    x = 6,356.39

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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.