Home / 10,399.29-15,584.19-8,048.36

Finding the Fourth Proportional to 10,399.29, 15,584.19 and 8,048.36

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Solution

The fourth proportional to 10,399.29, 15,584.19 and 8,048.36 is: 12,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.29 : 15,584.19 = 8,048.36 : x
  2. Step 2: Convert to fraction form
    10,399.29/15,584.19 = 8,048.36/x
  3. Step 3: Cross multiply
    10,399.29x = 15,584.19 × 8,048.36
  4. Step 4: Simplify right side
    10,399.29x = 125,427,171.43
  5. Step 5: Solve for x
    x = 125,427,171.43/10,399.29
  6. Step 6: Final answer
    x = 12,061.13

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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.