Home / 11,135.89-16,698.61-6,457.23

Finding the Fourth Proportional to 11,135.89, 16,698.61 and 6,457.23

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Solution

The fourth proportional to 11,135.89, 16,698.61 and 6,457.23 is: 9,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.89 : 16,698.61 = 6,457.23 : x
  2. Step 2: Convert to fraction form
    11,135.89/16,698.61 = 6,457.23/x
  3. Step 3: Cross multiply
    11,135.89x = 16,698.61 × 6,457.23
  4. Step 4: Simplify right side
    11,135.89x = 107,826,749.31
  5. Step 5: Solve for x
    x = 107,826,749.31/11,135.89
  6. Step 6: Final answer
    x = 9,682.82

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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.