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Finding the Fourth Proportional to 9,377.70, 12,935.11 and 6,015.18

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Solution

The fourth proportional to 9,377.70, 12,935.11 and 6,015.18 is: 8,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.70 : 12,935.11 = 6,015.18 : x
  2. Step 2: Convert to fraction form
    9,377.70/12,935.11 = 6,015.18/x
  3. Step 3: Cross multiply
    9,377.70x = 12,935.11 × 6,015.18
  4. Step 4: Simplify right side
    9,377.70x = 77,807,014.97
  5. Step 5: Solve for x
    x = 77,807,014.97/9,377.70
  6. Step 6: Final answer
    x = 8,297.03

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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.