Home / 10,004.38-14,990.13-3,426.97

Finding the Fourth Proportional to 10,004.38, 14,990.13 and 3,426.97

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Solution

The fourth proportional to 10,004.38, 14,990.13 and 3,426.97 is: 5,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.38 : 14,990.13 = 3,426.97 : x
  2. Step 2: Convert to fraction form
    10,004.38/14,990.13 = 3,426.97/x
  3. Step 3: Cross multiply
    10,004.38x = 14,990.13 × 3,426.97
  4. Step 4: Simplify right side
    10,004.38x = 51,370,725.81
  5. Step 5: Solve for x
    x = 51,370,725.81/10,004.38
  6. Step 6: Final answer
    x = 5,134.82

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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.