Home / 10,682.06-16,026.50-5,135.81

Finding the Fourth Proportional to 10,682.06, 16,026.50 and 5,135.81

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Solution

The fourth proportional to 10,682.06, 16,026.50 and 5,135.81 is: 7,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,682.06 : 16,026.50 = 5,135.81 : x
  2. Step 2: Convert to fraction form
    10,682.06/16,026.50 = 5,135.81/x
  3. Step 3: Cross multiply
    10,682.06x = 16,026.50 × 5,135.81
  4. Step 4: Simplify right side
    10,682.06x = 82,308,991.67
  5. Step 5: Solve for x
    x = 82,308,991.67/10,682.06
  6. Step 6: Final answer
    x = 7,705.35

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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.