Home / 11,319.65-16,912.46-10,932.07

Finding the Fourth Proportional to 11,319.65, 16,912.46 and 10,932.07

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Solution

The fourth proportional to 11,319.65, 16,912.46 and 10,932.07 is: 16,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.65 : 16,912.46 = 10,932.07 : x
  2. Step 2: Convert to fraction form
    11,319.65/16,912.46 = 10,932.07/x
  3. Step 3: Cross multiply
    11,319.65x = 16,912.46 × 10,932.07
  4. Step 4: Simplify right side
    11,319.65x = 184,888,112.03
  5. Step 5: Solve for x
    x = 184,888,112.03/11,319.65
  6. Step 6: Final answer
    x = 16,333.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.