Home / 10,892.37-16,341.35-7,764.66

Finding the Fourth Proportional to 10,892.37, 16,341.35 and 7,764.66

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Solution

The fourth proportional to 10,892.37, 16,341.35 and 7,764.66 is: 11,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.37 : 16,341.35 = 7,764.66 : x
  2. Step 2: Convert to fraction form
    10,892.37/16,341.35 = 7,764.66/x
  3. Step 3: Cross multiply
    10,892.37x = 16,341.35 × 7,764.66
  4. Step 4: Simplify right side
    10,892.37x = 126,884,987.87
  5. Step 5: Solve for x
    x = 126,884,987.87/10,892.37
  6. Step 6: Final answer
    x = 11,648.97

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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.