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Finding the Fourth Proportional to 8,866.16, 12,234.74 and 4,887.30

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Solution

The fourth proportional to 8,866.16, 12,234.74 and 4,887.30 is: 6,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.16 : 12,234.74 = 4,887.30 : x
  2. Step 2: Convert to fraction form
    8,866.16/12,234.74 = 4,887.30/x
  3. Step 3: Cross multiply
    8,866.16x = 12,234.74 × 4,887.30
  4. Step 4: Simplify right side
    8,866.16x = 59,794,857.02
  5. Step 5: Solve for x
    x = 59,794,857.02/8,866.16
  6. Step 6: Final answer
    x = 6,744.17

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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.