Home / 8,742.88-13,104.77-4,303.60

Finding the Fourth Proportional to 8,742.88, 13,104.77 and 4,303.60

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Solution

The fourth proportional to 8,742.88, 13,104.77 and 4,303.60 is: 6,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.88 : 13,104.77 = 4,303.60 : x
  2. Step 2: Convert to fraction form
    8,742.88/13,104.77 = 4,303.60/x
  3. Step 3: Cross multiply
    8,742.88x = 13,104.77 × 4,303.60
  4. Step 4: Simplify right side
    8,742.88x = 56,397,622.65
  5. Step 5: Solve for x
    x = 56,397,622.65/8,742.88
  6. Step 6: Final answer
    x = 6,450.70

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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.