Home / 11,313.12-16,974.48-4,392.48

Finding the Fourth Proportional to 11,313.12, 16,974.48 and 4,392.48

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Solution

The fourth proportional to 11,313.12, 16,974.48 and 4,392.48 is: 6,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.12 : 16,974.48 = 4,392.48 : x
  2. Step 2: Convert to fraction form
    11,313.12/16,974.48 = 4,392.48/x
  3. Step 3: Cross multiply
    11,313.12x = 16,974.48 × 4,392.48
  4. Step 4: Simplify right side
    11,313.12x = 74,560,063.91
  5. Step 5: Solve for x
    x = 74,560,063.91/11,313.12
  6. Step 6: Final answer
    x = 6,590.58

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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.