Home / 7,672.83-11,513.70-4,162.83

Finding the Fourth Proportional to 7,672.83, 11,513.70 and 4,162.83

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Solution

The fourth proportional to 7,672.83, 11,513.70 and 4,162.83 is: 6,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.83 : 11,513.70 = 4,162.83 : x
  2. Step 2: Convert to fraction form
    7,672.83/11,513.70 = 4,162.83/x
  3. Step 3: Cross multiply
    7,672.83x = 11,513.70 × 4,162.83
  4. Step 4: Simplify right side
    7,672.83x = 47,929,575.77
  5. Step 5: Solve for x
    x = 47,929,575.77/7,672.83
  6. Step 6: Final answer
    x = 6,246.66

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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.