Home / 11,835.27-17,752.86-4,815.18

Finding the Fourth Proportional to 11,835.27, 17,752.86 and 4,815.18

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Solution

The fourth proportional to 11,835.27, 17,752.86 and 4,815.18 is: 7,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.27 : 17,752.86 = 4,815.18 : x
  2. Step 2: Convert to fraction form
    11,835.27/17,752.86 = 4,815.18/x
  3. Step 3: Cross multiply
    11,835.27x = 17,752.86 × 4,815.18
  4. Step 4: Simplify right side
    11,835.27x = 85,483,216.41
  5. Step 5: Solve for x
    x = 85,483,216.41/11,835.27
  6. Step 6: Final answer
    x = 7,222.75

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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.