Home / 9,029.15-13,545.54-3,189.86

Finding the Fourth Proportional to 9,029.15, 13,545.54 and 3,189.86

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Solution

The fourth proportional to 9,029.15, 13,545.54 and 3,189.86 is: 4,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.15 : 13,545.54 = 3,189.86 : x
  2. Step 2: Convert to fraction form
    9,029.15/13,545.54 = 3,189.86/x
  3. Step 3: Cross multiply
    9,029.15x = 13,545.54 × 3,189.86
  4. Step 4: Simplify right side
    9,029.15x = 43,208,308.50
  5. Step 5: Solve for x
    x = 43,208,308.50/9,029.15
  6. Step 6: Final answer
    x = 4,785.43

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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.