Home / 11,821.37-16,313.54-6,516.07

Finding the Fourth Proportional to 11,821.37, 16,313.54 and 6,516.07

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Solution

The fourth proportional to 11,821.37, 16,313.54 and 6,516.07 is: 8,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.37 : 16,313.54 = 6,516.07 : x
  2. Step 2: Convert to fraction form
    11,821.37/16,313.54 = 6,516.07/x
  3. Step 3: Cross multiply
    11,821.37x = 16,313.54 × 6,516.07
  4. Step 4: Simplify right side
    11,821.37x = 106,300,095.22
  5. Step 5: Solve for x
    x = 106,300,095.22/11,821.37
  6. Step 6: Final answer
    x = 8,992.20

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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.