Home / 9,416.88-14,121.54-3,871.08

Finding the Fourth Proportional to 9,416.88, 14,121.54 and 3,871.08

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Solution

The fourth proportional to 9,416.88, 14,121.54 and 3,871.08 is: 5,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.88 : 14,121.54 = 3,871.08 : x
  2. Step 2: Convert to fraction form
    9,416.88/14,121.54 = 3,871.08/x
  3. Step 3: Cross multiply
    9,416.88x = 14,121.54 × 3,871.08
  4. Step 4: Simplify right side
    9,416.88x = 54,665,611.06
  5. Step 5: Solve for x
    x = 54,665,611.06/9,416.88
  6. Step 6: Final answer
    x = 5,805.07

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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.