Home / 8,708.58-13,064.01-3,161.12

Finding the Fourth Proportional to 8,708.58, 13,064.01 and 3,161.12

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Solution

The fourth proportional to 8,708.58, 13,064.01 and 3,161.12 is: 4,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.58 : 13,064.01 = 3,161.12 : x
  2. Step 2: Convert to fraction form
    8,708.58/13,064.01 = 3,161.12/x
  3. Step 3: Cross multiply
    8,708.58x = 13,064.01 × 3,161.12
  4. Step 4: Simplify right side
    8,708.58x = 41,296,826.12
  5. Step 5: Solve for x
    x = 41,296,826.12/8,708.58
  6. Step 6: Final answer
    x = 4,742.08

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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.