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Finding the Fourth Proportional to 11,050.56, 15,241.50 and 7,693.56

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Solution

The fourth proportional to 11,050.56, 15,241.50 and 7,693.56 is: 10,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.56 : 15,241.50 = 7,693.56 : x
  2. Step 2: Convert to fraction form
    11,050.56/15,241.50 = 7,693.56/x
  3. Step 3: Cross multiply
    11,050.56x = 15,241.50 × 7,693.56
  4. Step 4: Simplify right side
    11,050.56x = 117,261,394.74
  5. Step 5: Solve for x
    x = 117,261,394.74/11,050.56
  6. Step 6: Final answer
    x = 10,611.35

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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.