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Finding the Fourth Proportional to 9,841.46, 13,581.11 and 5,365.11

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Solution

The fourth proportional to 9,841.46, 13,581.11 and 5,365.11 is: 7,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.46 : 13,581.11 = 5,365.11 : x
  2. Step 2: Convert to fraction form
    9,841.46/13,581.11 = 5,365.11/x
  3. Step 3: Cross multiply
    9,841.46x = 13,581.11 × 5,365.11
  4. Step 4: Simplify right side
    9,841.46x = 72,864,122.25
  5. Step 5: Solve for x
    x = 72,864,122.25/9,841.46
  6. Step 6: Final answer
    x = 7,403.80

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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.