Home / 11,923.70-16,453.49-6,889.52

Finding the Fourth Proportional to 11,923.70, 16,453.49 and 6,889.52

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Solution

The fourth proportional to 11,923.70, 16,453.49 and 6,889.52 is: 9,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.70 : 16,453.49 = 6,889.52 : x
  2. Step 2: Convert to fraction form
    11,923.70/16,453.49 = 6,889.52/x
  3. Step 3: Cross multiply
    11,923.70x = 16,453.49 × 6,889.52
  4. Step 4: Simplify right side
    11,923.70x = 113,356,655.11
  5. Step 5: Solve for x
    x = 113,356,655.11/11,923.70
  6. Step 6: Final answer
    x = 9,506.84

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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.