Home / 12,355.74-18,536.04-4,564.62

Finding the Fourth Proportional to 12,355.74, 18,536.04 and 4,564.62

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Solution

The fourth proportional to 12,355.74, 18,536.04 and 4,564.62 is: 6,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.74 : 18,536.04 = 4,564.62 : x
  2. Step 2: Convert to fraction form
    12,355.74/18,536.04 = 4,564.62/x
  3. Step 3: Cross multiply
    12,355.74x = 18,536.04 × 4,564.62
  4. Step 4: Simplify right side
    12,355.74x = 84,609,978.90
  5. Step 5: Solve for x
    x = 84,609,978.90/12,355.74
  6. Step 6: Final answer
    x = 6,847.83

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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.