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Finding the Fourth Proportional to 9,252.55, 12,759.55 and 7,836.13

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Solution

The fourth proportional to 9,252.55, 12,759.55 and 7,836.13 is: 10,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.55 : 12,759.55 = 7,836.13 : x
  2. Step 2: Convert to fraction form
    9,252.55/12,759.55 = 7,836.13/x
  3. Step 3: Cross multiply
    9,252.55x = 12,759.55 × 7,836.13
  4. Step 4: Simplify right side
    9,252.55x = 99,985,492.54
  5. Step 5: Solve for x
    x = 99,985,492.54/9,252.55
  6. Step 6: Final answer
    x = 10,806.26

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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.