Home / 11,775.12-16,264.32-8,804.44

Finding the Fourth Proportional to 11,775.12, 16,264.32 and 8,804.44

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Solution

The fourth proportional to 11,775.12, 16,264.32 and 8,804.44 is: 12,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.12 : 16,264.32 = 8,804.44 : x
  2. Step 2: Convert to fraction form
    11,775.12/16,264.32 = 8,804.44/x
  3. Step 3: Cross multiply
    11,775.12x = 16,264.32 × 8,804.44
  4. Step 4: Simplify right side
    11,775.12x = 143,198,229.58
  5. Step 5: Solve for x
    x = 143,198,229.58/11,775.12
  6. Step 6: Final answer
    x = 12,161.08

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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.