Home / 8,826.83-12,181.35-5,289.36

Finding the Fourth Proportional to 8,826.83, 12,181.35 and 5,289.36

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Solution

The fourth proportional to 8,826.83, 12,181.35 and 5,289.36 is: 7,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.83 : 12,181.35 = 5,289.36 : x
  2. Step 2: Convert to fraction form
    8,826.83/12,181.35 = 5,289.36/x
  3. Step 3: Cross multiply
    8,826.83x = 12,181.35 × 5,289.36
  4. Step 4: Simplify right side
    8,826.83x = 64,431,545.44
  5. Step 5: Solve for x
    x = 64,431,545.44/8,826.83
  6. Step 6: Final answer
    x = 7,299.51

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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.