Home / 8,933.90-13,402.06-3,090.96

Finding the Fourth Proportional to 8,933.90, 13,402.06 and 3,090.96

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Solution

The fourth proportional to 8,933.90, 13,402.06 and 3,090.96 is: 4,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.90 : 13,402.06 = 3,090.96 : x
  2. Step 2: Convert to fraction form
    8,933.90/13,402.06 = 3,090.96/x
  3. Step 3: Cross multiply
    8,933.90x = 13,402.06 × 3,090.96
  4. Step 4: Simplify right side
    8,933.90x = 41,425,223.65
  5. Step 5: Solve for x
    x = 41,425,223.65/8,933.90
  6. Step 6: Final answer
    x = 4,636.86

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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.