Home / 10,930.76-16,398.60-4,005.26

Finding the Fourth Proportional to 10,930.76, 16,398.60 and 4,005.26

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Solution

The fourth proportional to 10,930.76, 16,398.60 and 4,005.26 is: 6,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.76 : 16,398.60 = 4,005.26 : x
  2. Step 2: Convert to fraction form
    10,930.76/16,398.60 = 4,005.26/x
  3. Step 3: Cross multiply
    10,930.76x = 16,398.60 × 4,005.26
  4. Step 4: Simplify right side
    10,930.76x = 65,680,656.64
  5. Step 5: Solve for x
    x = 65,680,656.64/10,930.76
  6. Step 6: Final answer
    x = 6,008.79

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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.