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Finding the Fourth Proportional to 8,774.15, 12,107.81 and 4,795.29

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Solution

The fourth proportional to 8,774.15, 12,107.81 and 4,795.29 is: 6,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.15 : 12,107.81 = 4,795.29 : x
  2. Step 2: Convert to fraction form
    8,774.15/12,107.81 = 4,795.29/x
  3. Step 3: Cross multiply
    8,774.15x = 12,107.81 × 4,795.29
  4. Step 4: Simplify right side
    8,774.15x = 58,060,472.20
  5. Step 5: Solve for x
    x = 58,060,472.20/8,774.15
  6. Step 6: Final answer
    x = 6,617.22

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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.