Home / 10,119.24-13,966.38-5,869.80

Finding the Fourth Proportional to 10,119.24, 13,966.38 and 5,869.80

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Solution

The fourth proportional to 10,119.24, 13,966.38 and 5,869.80 is: 8,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.24 : 13,966.38 = 5,869.80 : x
  2. Step 2: Convert to fraction form
    10,119.24/13,966.38 = 5,869.80/x
  3. Step 3: Cross multiply
    10,119.24x = 13,966.38 × 5,869.80
  4. Step 4: Simplify right side
    10,119.24x = 81,979,857.32
  5. Step 5: Solve for x
    x = 81,979,857.32/10,119.24
  6. Step 6: Final answer
    x = 8,101.38

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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.