Home / 11,903.62-16,426.83-6,867.85

Finding the Fourth Proportional to 11,903.62, 16,426.83 and 6,867.85

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Solution

The fourth proportional to 11,903.62, 16,426.83 and 6,867.85 is: 9,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.62 : 16,426.83 = 6,867.85 : x
  2. Step 2: Convert to fraction form
    11,903.62/16,426.83 = 6,867.85/x
  3. Step 3: Cross multiply
    11,903.62x = 16,426.83 × 6,867.85
  4. Step 4: Simplify right side
    11,903.62x = 112,817,004.42
  5. Step 5: Solve for x
    x = 112,817,004.42/11,903.62
  6. Step 6: Final answer
    x = 9,477.54

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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.