Home / 7,911.68-11,869.62-2,365.04

Finding the Fourth Proportional to 7,911.68, 11,869.62 and 2,365.04

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Solution

The fourth proportional to 7,911.68, 11,869.62 and 2,365.04 is: 3,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.68 : 11,869.62 = 2,365.04 : x
  2. Step 2: Convert to fraction form
    7,911.68/11,869.62 = 2,365.04/x
  3. Step 3: Cross multiply
    7,911.68x = 11,869.62 × 2,365.04
  4. Step 4: Simplify right side
    7,911.68x = 28,072,126.08
  5. Step 5: Solve for x
    x = 28,072,126.08/7,911.68
  6. Step 6: Final answer
    x = 3,548.19

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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.