Home / 11,768.40-16,240.32-6,462.96

Finding the Fourth Proportional to 11,768.40, 16,240.32 and 6,462.96

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Solution

The fourth proportional to 11,768.40, 16,240.32 and 6,462.96 is: 8,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.40 : 16,240.32 = 6,462.96 : x
  2. Step 2: Convert to fraction form
    11,768.40/16,240.32 = 6,462.96/x
  3. Step 3: Cross multiply
    11,768.40x = 16,240.32 × 6,462.96
  4. Step 4: Simplify right side
    11,768.40x = 104,960,538.55
  5. Step 5: Solve for x
    x = 104,960,538.55/11,768.40
  6. Step 6: Final answer
    x = 8,918.85

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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.