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Finding the Fourth Proportional to 11,219.67, 15,483.02 and 6,504.39

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Solution

The fourth proportional to 11,219.67, 15,483.02 and 6,504.39 is: 8,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.67 : 15,483.02 = 6,504.39 : x
  2. Step 2: Convert to fraction form
    11,219.67/15,483.02 = 6,504.39/x
  3. Step 3: Cross multiply
    11,219.67x = 15,483.02 × 6,504.39
  4. Step 4: Simplify right side
    11,219.67x = 100,707,567.94
  5. Step 5: Solve for x
    x = 100,707,567.94/11,219.67
  6. Step 6: Final answer
    x = 8,975.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.