Home / 11,900.10-17,848.73-3,135.71

Finding the Fourth Proportional to 11,900.10, 17,848.73 and 3,135.71

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Solution

The fourth proportional to 11,900.10, 17,848.73 and 3,135.71 is: 4,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.10 : 17,848.73 = 3,135.71 : x
  2. Step 2: Convert to fraction form
    11,900.10/17,848.73 = 3,135.71/x
  3. Step 3: Cross multiply
    11,900.10x = 17,848.73 × 3,135.71
  4. Step 4: Simplify right side
    11,900.10x = 55,968,336.23
  5. Step 5: Solve for x
    x = 55,968,336.23/11,900.10
  6. Step 6: Final answer
    x = 4,703.18

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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.