Home / 8,155.04-12,233.36-2,961.32

Finding the Fourth Proportional to 8,155.04, 12,233.36 and 2,961.32

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Solution

The fourth proportional to 8,155.04, 12,233.36 and 2,961.32 is: 4,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.04 : 12,233.36 = 2,961.32 : x
  2. Step 2: Convert to fraction form
    8,155.04/12,233.36 = 2,961.32/x
  3. Step 3: Cross multiply
    8,155.04x = 12,233.36 × 2,961.32
  4. Step 4: Simplify right side
    8,155.04x = 36,226,893.64
  5. Step 5: Solve for x
    x = 36,226,893.64/8,155.04
  6. Step 6: Final answer
    x = 4,442.27

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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.