Home / 11,790.46-17,681.14-5,213.04

Finding the Fourth Proportional to 11,790.46, 17,681.14 and 5,213.04

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Solution

The fourth proportional to 11,790.46, 17,681.14 and 5,213.04 is: 7,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.46 : 17,681.14 = 5,213.04 : x
  2. Step 2: Convert to fraction form
    11,790.46/17,681.14 = 5,213.04/x
  3. Step 3: Cross multiply
    11,790.46x = 17,681.14 × 5,213.04
  4. Step 4: Simplify right side
    11,790.46x = 92,172,490.07
  5. Step 5: Solve for x
    x = 92,172,490.07/11,790.46
  6. Step 6: Final answer
    x = 7,817.55

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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.