Home / 7,456.89-11,170.40-4,493.69

Finding the Fourth Proportional to 7,456.89, 11,170.40 and 4,493.69

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Solution

The fourth proportional to 7,456.89, 11,170.40 and 4,493.69 is: 6,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.89 : 11,170.40 = 4,493.69 : x
  2. Step 2: Convert to fraction form
    7,456.89/11,170.40 = 4,493.69/x
  3. Step 3: Cross multiply
    7,456.89x = 11,170.40 × 4,493.69
  4. Step 4: Simplify right side
    7,456.89x = 50,196,270.16
  5. Step 5: Solve for x
    x = 50,196,270.16/7,456.89
  6. Step 6: Final answer
    x = 6,731.53

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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.