Home / 10,658.36-15,988.32-3,635.54

Finding the Fourth Proportional to 10,658.36, 15,988.32 and 3,635.54

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Solution

The fourth proportional to 10,658.36, 15,988.32 and 3,635.54 is: 5,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.36 : 15,988.32 = 3,635.54 : x
  2. Step 2: Convert to fraction form
    10,658.36/15,988.32 = 3,635.54/x
  3. Step 3: Cross multiply
    10,658.36x = 15,988.32 × 3,635.54
  4. Step 4: Simplify right side
    10,658.36x = 58,126,176.89
  5. Step 5: Solve for x
    x = 58,126,176.89/10,658.36
  6. Step 6: Final answer
    x = 5,453.58

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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.