Home / 11,936.61-16,473.11-6,631.31

Finding the Fourth Proportional to 11,936.61, 16,473.11 and 6,631.31

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Solution

The fourth proportional to 11,936.61, 16,473.11 and 6,631.31 is: 9,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.61 : 16,473.11 = 6,631.31 : x
  2. Step 2: Convert to fraction form
    11,936.61/16,473.11 = 6,631.31/x
  3. Step 3: Cross multiply
    11,936.61x = 16,473.11 × 6,631.31
  4. Step 4: Simplify right side
    11,936.61x = 109,238,307.10
  5. Step 5: Solve for x
    x = 109,238,307.10/11,936.61
  6. Step 6: Final answer
    x = 9,151.54

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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.