Home / 10,609.31-15,909.62-4,605.77

Finding the Fourth Proportional to 10,609.31, 15,909.62 and 4,605.77

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Solution

The fourth proportional to 10,609.31, 15,909.62 and 4,605.77 is: 6,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.31 : 15,909.62 = 4,605.77 : x
  2. Step 2: Convert to fraction form
    10,609.31/15,909.62 = 4,605.77/x
  3. Step 3: Cross multiply
    10,609.31x = 15,909.62 × 4,605.77
  4. Step 4: Simplify right side
    10,609.31x = 73,275,982.47
  5. Step 5: Solve for x
    x = 73,275,982.47/10,609.31
  6. Step 6: Final answer
    x = 6,906.77

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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.