Home / 10,930.06-16,397.52-3,138.26

Finding the Fourth Proportional to 10,930.06, 16,397.52 and 3,138.26

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Solution

The fourth proportional to 10,930.06, 16,397.52 and 3,138.26 is: 4,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.06 : 16,397.52 = 3,138.26 : x
  2. Step 2: Convert to fraction form
    10,930.06/16,397.52 = 3,138.26/x
  3. Step 3: Cross multiply
    10,930.06x = 16,397.52 × 3,138.26
  4. Step 4: Simplify right side
    10,930.06x = 51,459,681.12
  5. Step 5: Solve for x
    x = 51,459,681.12/10,930.06
  6. Step 6: Final answer
    x = 4,708.09

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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.