Home / 11,815.49-17,728.45-6,267.48

Finding the Fourth Proportional to 11,815.49, 17,728.45 and 6,267.48

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Solution

The fourth proportional to 11,815.49, 17,728.45 and 6,267.48 is: 9,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.49 : 17,728.45 = 6,267.48 : x
  2. Step 2: Convert to fraction form
    11,815.49/17,728.45 = 6,267.48/x
  3. Step 3: Cross multiply
    11,815.49x = 17,728.45 × 6,267.48
  4. Step 4: Simplify right side
    11,815.49x = 111,112,650.10
  5. Step 5: Solve for x
    x = 111,112,650.10/11,815.49
  6. Step 6: Final answer
    x = 9,403.98

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1.5x scale

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.