Home / 9,405.90-14,088.05-3,842.38

Finding the Fourth Proportional to 9,405.90, 14,088.05 and 3,842.38

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Solution

The fourth proportional to 9,405.90, 14,088.05 and 3,842.38 is: 5,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.90 : 14,088.05 = 3,842.38 : x
  2. Step 2: Convert to fraction form
    9,405.90/14,088.05 = 3,842.38/x
  3. Step 3: Cross multiply
    9,405.90x = 14,088.05 × 3,842.38
  4. Step 4: Simplify right side
    9,405.90x = 54,131,654.37
  5. Step 5: Solve for x
    x = 54,131,654.37/9,405.90
  6. Step 6: Final answer
    x = 5,755.07

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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.