Home / 12,366.36-18,550.56-4,969.86

Finding the Fourth Proportional to 12,366.36, 18,550.56 and 4,969.86

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Solution

The fourth proportional to 12,366.36, 18,550.56 and 4,969.86 is: 7,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.36 : 18,550.56 = 4,969.86 : x
  2. Step 2: Convert to fraction form
    12,366.36/18,550.56 = 4,969.86/x
  3. Step 3: Cross multiply
    12,366.36x = 18,550.56 × 4,969.86
  4. Step 4: Simplify right side
    12,366.36x = 92,193,686.12
  5. Step 5: Solve for x
    x = 92,193,686.12/12,366.36
  6. Step 6: Final answer
    x = 7,455.20

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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.