Home / 11,777.01-16,245.79-7,462.21

Finding the Fourth Proportional to 11,777.01, 16,245.79 and 7,462.21

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Solution

The fourth proportional to 11,777.01, 16,245.79 and 7,462.21 is: 10,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.01 : 16,245.79 = 7,462.21 : x
  2. Step 2: Convert to fraction form
    11,777.01/16,245.79 = 7,462.21/x
  3. Step 3: Cross multiply
    11,777.01x = 16,245.79 × 7,462.21
  4. Step 4: Simplify right side
    11,777.01x = 121,229,459.28
  5. Step 5: Solve for x
    x = 121,229,459.28/11,777.01
  6. Step 6: Final answer
    x = 10,293.74

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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.