Home / 11,842.18-17,730.45-5,986.55

Finding the Fourth Proportional to 11,842.18, 17,730.45 and 5,986.55

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Solution

The fourth proportional to 11,842.18, 17,730.45 and 5,986.55 is: 8,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.18 : 17,730.45 = 5,986.55 : x
  2. Step 2: Convert to fraction form
    11,842.18/17,730.45 = 5,986.55/x
  3. Step 3: Cross multiply
    11,842.18x = 17,730.45 × 5,986.55
  4. Step 4: Simplify right side
    11,842.18x = 106,144,225.45
  5. Step 5: Solve for x
    x = 106,144,225.45/11,842.18
  6. Step 6: Final answer
    x = 8,963.23

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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.