Home / 12,036.92-16,610.81-6,731.69

Finding the Fourth Proportional to 12,036.92, 16,610.81 and 6,731.69

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Solution

The fourth proportional to 12,036.92, 16,610.81 and 6,731.69 is: 9,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.92 : 16,610.81 = 6,731.69 : x
  2. Step 2: Convert to fraction form
    12,036.92/16,610.81 = 6,731.69/x
  3. Step 3: Cross multiply
    12,036.92x = 16,610.81 × 6,731.69
  4. Step 4: Simplify right side
    12,036.92x = 111,818,706.86
  5. Step 5: Solve for x
    x = 111,818,706.86/12,036.92
  6. Step 6: Final answer
    x = 9,289.65

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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.