Home / 11,628.66-17,445.15-5,384.55

Finding the Fourth Proportional to 11,628.66, 17,445.15 and 5,384.55

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Solution

The fourth proportional to 11,628.66, 17,445.15 and 5,384.55 is: 8,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.66 : 17,445.15 = 5,384.55 : x
  2. Step 2: Convert to fraction form
    11,628.66/17,445.15 = 5,384.55/x
  3. Step 3: Cross multiply
    11,628.66x = 17,445.15 × 5,384.55
  4. Step 4: Simplify right side
    11,628.66x = 93,934,282.43
  5. Step 5: Solve for x
    x = 93,934,282.43/11,628.66
  6. Step 6: Final answer
    x = 8,077.83

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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.