Home / 10,217.22-15,316.20-4,667.28

Finding the Fourth Proportional to 10,217.22, 15,316.20 and 4,667.28

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Solution

The fourth proportional to 10,217.22, 15,316.20 and 4,667.28 is: 6,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.22 : 15,316.20 = 4,667.28 : x
  2. Step 2: Convert to fraction form
    10,217.22/15,316.20 = 4,667.28/x
  3. Step 3: Cross multiply
    10,217.22x = 15,316.20 × 4,667.28
  4. Step 4: Simplify right side
    10,217.22x = 71,484,993.94
  5. Step 5: Solve for x
    x = 71,484,993.94/10,217.22
  6. Step 6: Final answer
    x = 6,996.52

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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.