Home / 11,845.78-17,767.05-3,527.08

Finding the Fourth Proportional to 11,845.78, 17,767.05 and 3,527.08

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Solution

The fourth proportional to 11,845.78, 17,767.05 and 3,527.08 is: 5,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.78 : 17,767.05 = 3,527.08 : x
  2. Step 2: Convert to fraction form
    11,845.78/17,767.05 = 3,527.08/x
  3. Step 3: Cross multiply
    11,845.78x = 17,767.05 × 3,527.08
  4. Step 4: Simplify right side
    11,845.78x = 62,665,806.71
  5. Step 5: Solve for x
    x = 62,665,806.71/11,845.78
  6. Step 6: Final answer
    x = 5,290.14

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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.