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Finding the Fourth Proportional to 8,012.62, 11,056.65 and 6,338.20

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Solution

The fourth proportional to 8,012.62, 11,056.65 and 6,338.20 is: 8,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.62 : 11,056.65 = 6,338.20 : x
  2. Step 2: Convert to fraction form
    8,012.62/11,056.65 = 6,338.20/x
  3. Step 3: Cross multiply
    8,012.62x = 11,056.65 × 6,338.20
  4. Step 4: Simplify right side
    8,012.62x = 70,079,264.00
  5. Step 5: Solve for x
    x = 70,079,264.00/8,012.62
  6. Step 6: Final answer
    x = 8,746.11

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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.