Home / 10,178.68-14,047.62-5,871.94

Finding the Fourth Proportional to 10,178.68, 14,047.62 and 5,871.94

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Solution

The fourth proportional to 10,178.68, 14,047.62 and 5,871.94 is: 8,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.68 : 14,047.62 = 5,871.94 : x
  2. Step 2: Convert to fraction form
    10,178.68/14,047.62 = 5,871.94/x
  3. Step 3: Cross multiply
    10,178.68x = 14,047.62 × 5,871.94
  4. Step 4: Simplify right side
    10,178.68x = 82,486,781.78
  5. Step 5: Solve for x
    x = 82,486,781.78/10,178.68
  6. Step 6: Final answer
    x = 8,103.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.