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Finding the Fourth Proportional to 8,675.19, 13,012.88 and 6,836.13

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Solution

The fourth proportional to 8,675.19, 13,012.88 and 6,836.13 is: 10,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.19 : 13,012.88 = 6,836.13 : x
  2. Step 2: Convert to fraction form
    8,675.19/13,012.88 = 6,836.13/x
  3. Step 3: Cross multiply
    8,675.19x = 13,012.88 × 6,836.13
  4. Step 4: Simplify right side
    8,675.19x = 88,957,705.17
  5. Step 5: Solve for x
    x = 88,957,705.17/8,675.19
  6. Step 6: Final answer
    x = 10,254.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.