Home / 10,658.33-15,984.72-4,420.11

Finding the Fourth Proportional to 10,658.33, 15,984.72 and 4,420.11

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Solution

The fourth proportional to 10,658.33, 15,984.72 and 4,420.11 is: 6,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.33 : 15,984.72 = 4,420.11 : x
  2. Step 2: Convert to fraction form
    10,658.33/15,984.72 = 4,420.11/x
  3. Step 3: Cross multiply
    10,658.33x = 15,984.72 × 4,420.11
  4. Step 4: Simplify right side
    10,658.33x = 70,654,220.72
  5. Step 5: Solve for x
    x = 70,654,220.72/10,658.33
  6. Step 6: Final answer
    x = 6,629.02

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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.