Home / 11,750.43-17,628.54-3,430.53

Finding the Fourth Proportional to 11,750.43, 17,628.54 and 3,430.53

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Solution

The fourth proportional to 11,750.43, 17,628.54 and 3,430.53 is: 5,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.43 : 17,628.54 = 3,430.53 : x
  2. Step 2: Convert to fraction form
    11,750.43/17,628.54 = 3,430.53/x
  3. Step 3: Cross multiply
    11,750.43x = 17,628.54 × 3,430.53
  4. Step 4: Simplify right side
    11,750.43x = 60,475,235.33
  5. Step 5: Solve for x
    x = 60,475,235.33/11,750.43
  6. Step 6: Final answer
    x = 5,146.64

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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.