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Finding the Fourth Proportional to 8,155.67, 11,254.86 and 4,798.62

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Solution

The fourth proportional to 8,155.67, 11,254.86 and 4,798.62 is: 6,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.67 : 11,254.86 = 4,798.62 : x
  2. Step 2: Convert to fraction form
    8,155.67/11,254.86 = 4,798.62/x
  3. Step 3: Cross multiply
    8,155.67x = 11,254.86 × 4,798.62
  4. Step 4: Simplify right side
    8,155.67x = 54,007,796.29
  5. Step 5: Solve for x
    x = 54,007,796.29/8,155.67
  6. Step 6: Final answer
    x = 6,622.12

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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.