Home / 8,709.21-13,060.58-2,864.25

Finding the Fourth Proportional to 8,709.21, 13,060.58 and 2,864.25

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Solution

The fourth proportional to 8,709.21, 13,060.58 and 2,864.25 is: 4,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.21 : 13,060.58 = 2,864.25 : x
  2. Step 2: Convert to fraction form
    8,709.21/13,060.58 = 2,864.25/x
  3. Step 3: Cross multiply
    8,709.21x = 13,060.58 × 2,864.25
  4. Step 4: Simplify right side
    8,709.21x = 37,408,751.94
  5. Step 5: Solve for x
    x = 37,408,751.94/8,709.21
  6. Step 6: Final answer
    x = 4,295.31

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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.