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Finding the Fourth Proportional to 11,257.56, 15,537.93 and 6,544.56

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Solution

The fourth proportional to 11,257.56, 15,537.93 and 6,544.56 is: 9,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.56 : 15,537.93 = 6,544.56 : x
  2. Step 2: Convert to fraction form
    11,257.56/15,537.93 = 6,544.56/x
  3. Step 3: Cross multiply
    11,257.56x = 15,537.93 × 6,544.56
  4. Step 4: Simplify right side
    11,257.56x = 101,688,915.16
  5. Step 5: Solve for x
    x = 101,688,915.16/11,257.56
  6. Step 6: Final answer
    x = 9,032.94

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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.