Home / 9,975.43-14,965.89-3,402.13

Finding the Fourth Proportional to 9,975.43, 14,965.89 and 3,402.13

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Solution

The fourth proportional to 9,975.43, 14,965.89 and 3,402.13 is: 5,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.43 : 14,965.89 = 3,402.13 : x
  2. Step 2: Convert to fraction form
    9,975.43/14,965.89 = 3,402.13/x
  3. Step 3: Cross multiply
    9,975.43x = 14,965.89 × 3,402.13
  4. Step 4: Simplify right side
    9,975.43x = 50,915,903.35
  5. Step 5: Solve for x
    x = 50,915,903.35/9,975.43
  6. Step 6: Final answer
    x = 5,104.13

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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.