Home / 7,961.58-11,938.71-4,401.32

Finding the Fourth Proportional to 7,961.58, 11,938.71 and 4,401.32

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Solution

The fourth proportional to 7,961.58, 11,938.71 and 4,401.32 is: 6,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.58 : 11,938.71 = 4,401.32 : x
  2. Step 2: Convert to fraction form
    7,961.58/11,938.71 = 4,401.32/x
  3. Step 3: Cross multiply
    7,961.58x = 11,938.71 × 4,401.32
  4. Step 4: Simplify right side
    7,961.58x = 52,546,023.40
  5. Step 5: Solve for x
    x = 52,546,023.40/7,961.58
  6. Step 6: Final answer
    x = 6,599.95

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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.