Home / 7,912.08-11,876.76-4,631.58

Finding the Fourth Proportional to 7,912.08, 11,876.76 and 4,631.58

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Solution

The fourth proportional to 7,912.08, 11,876.76 and 4,631.58 is: 6,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.08 : 11,876.76 = 4,631.58 : x
  2. Step 2: Convert to fraction form
    7,912.08/11,876.76 = 4,631.58/x
  3. Step 3: Cross multiply
    7,912.08x = 11,876.76 × 4,631.58
  4. Step 4: Simplify right side
    7,912.08x = 55,008,164.08
  5. Step 5: Solve for x
    x = 55,008,164.08/7,912.08
  6. Step 6: Final answer
    x = 6,952.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.