Home / 11,856.04-17,785.09-3,090.96

Finding the Fourth Proportional to 11,856.04, 17,785.09 and 3,090.96

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Solution

The fourth proportional to 11,856.04, 17,785.09 and 3,090.96 is: 4,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.04 : 17,785.09 = 3,090.96 : x
  2. Step 2: Convert to fraction form
    11,856.04/17,785.09 = 3,090.96/x
  3. Step 3: Cross multiply
    11,856.04x = 17,785.09 × 3,090.96
  4. Step 4: Simplify right side
    11,856.04x = 54,972,897.41
  5. Step 5: Solve for x
    x = 54,972,897.41/11,856.04
  6. Step 6: Final answer
    x = 4,636.70

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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.