Home / 11,051.57-16,580.30-4,812.89

Finding the Fourth Proportional to 11,051.57, 16,580.30 and 4,812.89

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Solution

The fourth proportional to 11,051.57, 16,580.30 and 4,812.89 is: 7,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.57 : 16,580.30 = 4,812.89 : x
  2. Step 2: Convert to fraction form
    11,051.57/16,580.30 = 4,812.89/x
  3. Step 3: Cross multiply
    11,051.57x = 16,580.30 × 4,812.89
  4. Step 4: Simplify right side
    11,051.57x = 79,799,053.10
  5. Step 5: Solve for x
    x = 79,799,053.10/11,051.57
  6. Step 6: Final answer
    x = 7,220.61

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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.