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Finding the Fourth Proportional to 8,695.79, 11,991.14 and 7,441.00

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Solution

The fourth proportional to 8,695.79, 11,991.14 and 7,441.00 is: 10,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.79 : 11,991.14 = 7,441.00 : x
  2. Step 2: Convert to fraction form
    8,695.79/11,991.14 = 7,441.00/x
  3. Step 3: Cross multiply
    8,695.79x = 11,991.14 × 7,441.00
  4. Step 4: Simplify right side
    8,695.79x = 89,226,033.46
  5. Step 5: Solve for x
    x = 89,226,033.46/8,695.79
  6. Step 6: Final answer
    x = 10,260.83

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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.