Home / 11,741.58-16,190.37-7,485.90

Finding the Fourth Proportional to 11,741.58, 16,190.37 and 7,485.90

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Solution

The fourth proportional to 11,741.58, 16,190.37 and 7,485.90 is: 10,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.58 : 16,190.37 = 7,485.90 : x
  2. Step 2: Convert to fraction form
    11,741.58/16,190.37 = 7,485.90/x
  3. Step 3: Cross multiply
    11,741.58x = 16,190.37 × 7,485.90
  4. Step 4: Simplify right side
    11,741.58x = 121,199,490.78
  5. Step 5: Solve for x
    x = 121,199,490.78/11,741.58
  6. Step 6: Final answer
    x = 10,322.25

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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.