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Finding the Fourth Proportional to 8,659.77, 11,950.11 and 5,308.26

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Solution

The fourth proportional to 8,659.77, 11,950.11 and 5,308.26 is: 7,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.77 : 11,950.11 = 5,308.26 : x
  2. Step 2: Convert to fraction form
    8,659.77/11,950.11 = 5,308.26/x
  3. Step 3: Cross multiply
    8,659.77x = 11,950.11 × 5,308.26
  4. Step 4: Simplify right side
    8,659.77x = 63,434,290.91
  5. Step 5: Solve for x
    x = 63,434,290.91/8,659.77
  6. Step 6: Final answer
    x = 7,325.17

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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.