Home / 11,478.48-17,217.80-4,552.96

Finding the Fourth Proportional to 11,478.48, 17,217.80 and 4,552.96

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Solution

The fourth proportional to 11,478.48, 17,217.80 and 4,552.96 is: 6,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.48 : 17,217.80 = 4,552.96 : x
  2. Step 2: Convert to fraction form
    11,478.48/17,217.80 = 4,552.96/x
  3. Step 3: Cross multiply
    11,478.48x = 17,217.80 × 4,552.96
  4. Step 4: Simplify right side
    11,478.48x = 78,391,954.69
  5. Step 5: Solve for x
    x = 78,391,954.69/11,478.48
  6. Step 6: Final answer
    x = 6,829.47

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1.5x scale

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.