Home / 10,555.08-15,836.26-3,983.14

Finding the Fourth Proportional to 10,555.08, 15,836.26 and 3,983.14

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Solution

The fourth proportional to 10,555.08, 15,836.26 and 3,983.14 is: 5,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.08 : 15,836.26 = 3,983.14 : x
  2. Step 2: Convert to fraction form
    10,555.08/15,836.26 = 3,983.14/x
  3. Step 3: Cross multiply
    10,555.08x = 15,836.26 × 3,983.14
  4. Step 4: Simplify right side
    10,555.08x = 63,078,040.66
  5. Step 5: Solve for x
    x = 63,078,040.66/10,555.08
  6. Step 6: Final answer
    x = 5,976.08

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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.