Home / 11,135.90-16,703.25-3,740.51

Finding the Fourth Proportional to 11,135.90, 16,703.25 and 3,740.51

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Solution

The fourth proportional to 11,135.90, 16,703.25 and 3,740.51 is: 5,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.90 : 16,703.25 = 3,740.51 : x
  2. Step 2: Convert to fraction form
    11,135.90/16,703.25 = 3,740.51/x
  3. Step 3: Cross multiply
    11,135.90x = 16,703.25 × 3,740.51
  4. Step 4: Simplify right side
    11,135.90x = 62,478,673.66
  5. Step 5: Solve for x
    x = 62,478,673.66/11,135.90
  6. Step 6: Final answer
    x = 5,610.56

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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.