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Finding the Fourth Proportional to 10,702.12, 14,770.04 and 6,726.28

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Solution

The fourth proportional to 10,702.12, 14,770.04 and 6,726.28 is: 9,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.12 : 14,770.04 = 6,726.28 : x
  2. Step 2: Convert to fraction form
    10,702.12/14,770.04 = 6,726.28/x
  3. Step 3: Cross multiply
    10,702.12x = 14,770.04 × 6,726.28
  4. Step 4: Simplify right side
    10,702.12x = 99,347,424.65
  5. Step 5: Solve for x
    x = 99,347,424.65/10,702.12
  6. Step 6: Final answer
    x = 9,282.97

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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.