Home / 8,927.17-13,390.90-3,383.12

Finding the Fourth Proportional to 8,927.17, 13,390.90 and 3,383.12

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Solution

The fourth proportional to 8,927.17, 13,390.90 and 3,383.12 is: 5,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.17 : 13,390.90 = 3,383.12 : x
  2. Step 2: Convert to fraction form
    8,927.17/13,390.90 = 3,383.12/x
  3. Step 3: Cross multiply
    8,927.17x = 13,390.90 × 3,383.12
  4. Step 4: Simplify right side
    8,927.17x = 45,303,046.63
  5. Step 5: Solve for x
    x = 45,303,046.63/8,927.17
  6. Step 6: Final answer
    x = 5,074.74

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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.