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Finding the Fourth Proportional to 8,866.11, 12,235.23 and 4,887.29

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Solution

The fourth proportional to 8,866.11, 12,235.23 and 4,887.29 is: 6,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.11 : 12,235.23 = 4,887.29 : x
  2. Step 2: Convert to fraction form
    8,866.11/12,235.23 = 4,887.29/x
  3. Step 3: Cross multiply
    8,866.11x = 12,235.23 × 4,887.29
  4. Step 4: Simplify right side
    8,866.11x = 59,797,134.04
  5. Step 5: Solve for x
    x = 59,797,134.04/8,866.11
  6. Step 6: Final answer
    x = 6,744.46

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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.