Home / 7,917.92-10,926.27-4,380.92

Finding the Fourth Proportional to 7,917.92, 10,926.27 and 4,380.92

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Solution

The fourth proportional to 7,917.92, 10,926.27 and 4,380.92 is: 6,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.92 : 10,926.27 = 4,380.92 : x
  2. Step 2: Convert to fraction form
    7,917.92/10,926.27 = 4,380.92/x
  3. Step 3: Cross multiply
    7,917.92x = 10,926.27 × 4,380.92
  4. Step 4: Simplify right side
    7,917.92x = 47,867,060.14
  5. Step 5: Solve for x
    x = 47,867,060.14/7,917.92
  6. Step 6: Final answer
    x = 6,045.41

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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.