Home / 8,708.47-13,068.18-3,710.84

Finding the Fourth Proportional to 8,708.47, 13,068.18 and 3,710.84

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Solution

The fourth proportional to 8,708.47, 13,068.18 and 3,710.84 is: 5,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.47 : 13,068.18 = 3,710.84 : x
  2. Step 2: Convert to fraction form
    8,708.47/13,068.18 = 3,710.84/x
  3. Step 3: Cross multiply
    8,708.47x = 13,068.18 × 3,710.84
  4. Step 4: Simplify right side
    8,708.47x = 48,493,859.73
  5. Step 5: Solve for x
    x = 48,493,859.73/8,708.47
  6. Step 6: Final answer
    x = 5,568.59

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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.