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Finding the Fourth Proportional to 11,859.21, 17,788.17 and 6,015.67

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Solution

The fourth proportional to 11,859.21, 17,788.17 and 6,015.67 is: 9,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.21 : 17,788.17 = 6,015.67 : x
  2. Step 2: Convert to fraction form
    11,859.21/17,788.17 = 6,015.67/x
  3. Step 3: Cross multiply
    11,859.21x = 17,788.17 × 6,015.67
  4. Step 4: Simplify right side
    11,859.21x = 107,007,738.71
  5. Step 5: Solve for x
    x = 107,007,738.71/11,859.21
  6. Step 6: Final answer
    x = 9,023.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.