Home / 8,815.91-12,166.70-4,837.77

Finding the Fourth Proportional to 8,815.91, 12,166.70 and 4,837.77

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Solution

The fourth proportional to 8,815.91, 12,166.70 and 4,837.77 is: 6,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.91 : 12,166.70 = 4,837.77 : x
  2. Step 2: Convert to fraction form
    8,815.91/12,166.70 = 4,837.77/x
  3. Step 3: Cross multiply
    8,815.91x = 12,166.70 × 4,837.77
  4. Step 4: Simplify right side
    8,815.91x = 58,859,672.07
  5. Step 5: Solve for x
    x = 58,859,672.07/8,815.91
  6. Step 6: Final answer
    x = 6,676.53

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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.