Home / 8,061.15-12,087.54-3,379.89

Finding the Fourth Proportional to 8,061.15, 12,087.54 and 3,379.89

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Solution

The fourth proportional to 8,061.15, 12,087.54 and 3,379.89 is: 5,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.15 : 12,087.54 = 3,379.89 : x
  2. Step 2: Convert to fraction form
    8,061.15/12,087.54 = 3,379.89/x
  3. Step 3: Cross multiply
    8,061.15x = 12,087.54 × 3,379.89
  4. Step 4: Simplify right side
    8,061.15x = 40,854,555.57
  5. Step 5: Solve for x
    x = 40,854,555.57/8,061.15
  6. Step 6: Final answer
    x = 5,068.08

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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.