Home / 11,168.37-15,412.62-6,322.71

Finding the Fourth Proportional to 11,168.37, 15,412.62 and 6,322.71

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Solution

The fourth proportional to 11,168.37, 15,412.62 and 6,322.71 is: 8,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.37 : 15,412.62 = 6,322.71 : x
  2. Step 2: Convert to fraction form
    11,168.37/15,412.62 = 6,322.71/x
  3. Step 3: Cross multiply
    11,168.37x = 15,412.62 × 6,322.71
  4. Step 4: Simplify right side
    11,168.37x = 97,449,526.60
  5. Step 5: Solve for x
    x = 97,449,526.60/11,168.37
  6. Step 6: Final answer
    x = 8,725.49

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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.