Home / 12,550.20-17,318.53-6,883.82

Finding the Fourth Proportional to 12,550.20, 17,318.53 and 6,883.82

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Solution

The fourth proportional to 12,550.20, 17,318.53 and 6,883.82 is: 9,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.20 : 17,318.53 = 6,883.82 : x
  2. Step 2: Convert to fraction form
    12,550.20/17,318.53 = 6,883.82/x
  3. Step 3: Cross multiply
    12,550.20x = 17,318.53 × 6,883.82
  4. Step 4: Simplify right side
    12,550.20x = 119,217,522.17
  5. Step 5: Solve for x
    x = 119,217,522.17/12,550.20
  6. Step 6: Final answer
    x = 9,499.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.