Home / 8,713.40-13,066.86-3,517.52

Finding the Fourth Proportional to 8,713.40, 13,066.86 and 3,517.52

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Solution

The fourth proportional to 8,713.40, 13,066.86 and 3,517.52 is: 5,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.40 : 13,066.86 = 3,517.52 : x
  2. Step 2: Convert to fraction form
    8,713.40/13,066.86 = 3,517.52/x
  3. Step 3: Cross multiply
    8,713.40x = 13,066.86 × 3,517.52
  4. Step 4: Simplify right side
    8,713.40x = 45,962,941.39
  5. Step 5: Solve for x
    x = 45,962,941.39/8,713.40
  6. Step 6: Final answer
    x = 5,274.97

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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.