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Finding the Fourth Proportional to 8,713.02, 12,012.35 and 6,926.44

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Solution

The fourth proportional to 8,713.02, 12,012.35 and 6,926.44 is: 9,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.02 : 12,012.35 = 6,926.44 : x
  2. Step 2: Convert to fraction form
    8,713.02/12,012.35 = 6,926.44/x
  3. Step 3: Cross multiply
    8,713.02x = 12,012.35 × 6,926.44
  4. Step 4: Simplify right side
    8,713.02x = 83,202,821.53
  5. Step 5: Solve for x
    x = 83,202,821.53/8,713.02
  6. Step 6: Final answer
    x = 9,549.25

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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.