Home / 12,036.82-16,610.87-6,731.64

Finding the Fourth Proportional to 12,036.82, 16,610.87 and 6,731.64

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Solution

The fourth proportional to 12,036.82, 16,610.87 and 6,731.64 is: 9,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.82 : 16,610.87 = 6,731.64 : x
  2. Step 2: Convert to fraction form
    12,036.82/16,610.87 = 6,731.64/x
  3. Step 3: Cross multiply
    12,036.82x = 16,610.87 × 6,731.64
  4. Step 4: Simplify right side
    12,036.82x = 111,818,396.93
  5. Step 5: Solve for x
    x = 111,818,396.93/12,036.82
  6. Step 6: Final answer
    x = 9,289.70

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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.