Home / 11,777.32-16,253.70-6,473.20

Finding the Fourth Proportional to 11,777.32, 16,253.70 and 6,473.20

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Solution

The fourth proportional to 11,777.32, 16,253.70 and 6,473.20 is: 8,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.32 : 16,253.70 = 6,473.20 : x
  2. Step 2: Convert to fraction form
    11,777.32/16,253.70 = 6,473.20/x
  3. Step 3: Cross multiply
    11,777.32x = 16,253.70 × 6,473.20
  4. Step 4: Simplify right side
    11,777.32x = 105,213,450.84
  5. Step 5: Solve for x
    x = 105,213,450.84/11,777.32
  6. Step 6: Final answer
    x = 8,933.56

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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.