Home / 11,889.98-16,425.26-9,496.81

Finding the Fourth Proportional to 11,889.98, 16,425.26 and 9,496.81

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Solution

The fourth proportional to 11,889.98, 16,425.26 and 9,496.81 is: 13,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.98 : 16,425.26 = 9,496.81 : x
  2. Step 2: Convert to fraction form
    11,889.98/16,425.26 = 9,496.81/x
  3. Step 3: Cross multiply
    11,889.98x = 16,425.26 × 9,496.81
  4. Step 4: Simplify right side
    11,889.98x = 155,987,573.42
  5. Step 5: Solve for x
    x = 155,987,573.42/11,889.98
  6. Step 6: Final answer
    x = 13,119.25

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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.