Home / 8,799.90-13,199.99-2,956.56

Finding the Fourth Proportional to 8,799.90, 13,199.99 and 2,956.56

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Solution

The fourth proportional to 8,799.90, 13,199.99 and 2,956.56 is: 4,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.90 : 13,199.99 = 2,956.56 : x
  2. Step 2: Convert to fraction form
    8,799.90/13,199.99 = 2,956.56/x
  3. Step 3: Cross multiply
    8,799.90x = 13,199.99 × 2,956.56
  4. Step 4: Simplify right side
    8,799.90x = 39,026,562.43
  5. Step 5: Solve for x
    x = 39,026,562.43/8,799.90
  6. Step 6: Final answer
    x = 4,434.89

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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.